Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

1logab×1logbc×1logcaisequalto - 1logab×1logbc×1logcaisequalto -

A. a+b+c
B. abc
C. 0
D. 1
Answer» B. abc
2.

Iflog7log5(x+5−−−−−√+x−−√)=0,whatisthevalueofx?Iflog7log5(x+5+x)=0,whatisthevalueofx?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
3.

Iflog107=a,thenlog10(170)isequalto−Iflog107=a,thenlog10(170)isequalto−

A. -(1 + a)
B. (1 + a)-1
C. a/10
D. 1/10a
Answer» B. (1 + a)-1
4.

[1(logabc)+1+1(logbca)+1+1(logcab)+1]isequalto - [1(logabc)+1+1(logbca)+1+1(logcab)+1]isequalto -

A. 1
B. 3/2
C. 2
D. 3
Answer» B. 3/2
5.

2log105+ log108 −12log104=?2log105+ log108 −12log104=?

A. 2
B. 4
C. 2 - 2log102
D. 4 - 4log102
Answer» B. 4
6.

The value of 6 log1010003 log10100is equal to - The value of 6 log1010003 log10100is equal to -

A. 0
B. 1
C. 2
D. 3
Answer» B. 1
7.

If log5(x2+x)−log5(x+1)=2,then the value of x is - If log5(x2+x)−log5(x+1)=2,then the value of x is -

A. 5
B. 10
C. 25
D. 32
Answer» B. 10
8.

What is the value of the following expression?nlog(814)−log(1516)+log(3524)log⁡(814)−log⁡(1516)+log⁡(3524)

A. 0
B. 1
C. 2
D. 3
Answer» B. 1
9.

12(logx+logy)willequaltolog(x+y2)if - 12(log⁡x+log⁡y)willequaltolog⁡(x+y2)if -

A. y = 0
B. x = √y
C. x = y
D. x = y/2
Answer» B. x = √y
10.

Thevalueof(1log360+1log460+1log560)is−Thevalueof(1log360+1log460+1log560)is−

A. 0
B. 1
C. 5
D. 60
Answer» B. 1
11.

If loga(ab) = x, then logb(ab) is - If loga(ab) = x, then logb(ab) is -

A. 1/x
B. x/(x+1)
C. x/(1-x)
D. x/(x-1)
Answer» B. x/(x+1)
12.

Iflog102=aandlog103=b,thenlog512=?Iflog102=aandlog103=b,thenlog512=?

A. (a+b)/(1+a)
B. (2a+b)/(1+a)
C. (a+2b)/(1+a)
D. (2a+b)/(1-a)
Answer» B. (2a+b)/(1+a)
13.

log8–√log8is equal to = ?log⁡8log⁡8is equal to = ?

A. 1/√8
B. 1/4
C. 1/2
D. 1/8
Answer» B. 1/4
14.

The value of log10(0.0001)is =?The value of log10(0.0001)is =?

A. 1/4
B. -1/4
C. -4
D. 4
Answer» B. -1/4
15.

If log1000x=−14, then the value of x is = ? If log1000x=−14, then the value of x is = ?

A. 1/10
B. 1/100
C. 1/1000
D. 1/10000
Answer» B. 1/100
16.

If log8p=25and log2q=5,then - If log8p=25and log2q=5,then -

A. p = q15
B. p2 = q3
C. p = q5
D. p3 = q
Answer» B. p2 = q3
17.

The value oflog5(125)(625)25is equal to - The value oflog5(125)(625)25is equal to -

A. 725
B. 5
C. 3125
D. 6
Answer» B. 5
18.

Determine the value of log32√(118) is = ?Determine the value of log32(118) is = ?

A. 2
B. -2
C. √2
D. √3
Answer» B. -2
19.

Iflogx(916)=−12,thenxisequalto:Iflogx(916)=−12,thenxisequalto:

A. - 3/4
B. 3/4
C. 81/256
D. 256/81
Answer» B. 3/4
20.

Iflogab+logba=log(a+b),then:Iflog⁡ab+log⁡ba=log⁡(a+b),then:

A. a + b = 1
B. a - b = 1
C. a = b
D. a2 - b2 = 1
Answer» B. a - b = 1
21.

Iflog107=a,thenlog10(170)isequaltoIflog107=a,thenlog10(170)isequalto

A. - (1 + a)
B. (1 + a)-1
C. a/10
D. 1/10a
Answer» B. (1 + a)-1
22.

log8–√log8log⁡8log⁡8 is equal to:

A. 1/6
B. 1/4
C. 1/2
D. 1/8
Answer» B. 1/4
23.

Thevalueof(1log360+1log460+1log560)is:Thevalueof(1log360+1log460+1log560)is:

A. 0
B. 1
C. 5
D. 60
Answer» B. 1
24.

A boat moves downstream at the rate of 1 km in 71/2 minutes and upstream at the rate of 5 km an hour. What is the speed of the boat in the still water?

A. 8 km/hour
B. 61/2 km/hour
C. 4 km/hour
D. 31/2 km/hour
Answer» B. 61/2 km/hour
25.

Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minutes. All the three pipes working together can fill the tank in 15 minutes, The capacity of the tank is-

A. 60 gallons
B. 100 gallons
C. 120 gallons
D. 180 gallons
Answer» B. 100 gallons
26.

3/4 part of the tank is full of water. When 30 litres of water is taken out, the tank becomes empty. The capacity of the tank is -

A. 36 liters
B. 42 liters
C. 40 liters
D. 38 liters
Answer» B. 42 liters
27.

A pipe can fill a tank in x hours and another pipe can empty it in y (y u003e x) hours. If both pipes are open, in how many hours will the tank is filled?

A. (x - y) hours
B. (y - x) hours
C. xy/x - y hours
D. xy/y - x hours
Answer» B. (y - x) hours
28.

A pump can fill a tank with water in 2 hours. Because of a leak, it took 2(1/3) hours to fill the tank. The leak can drain all the water of the tank in:

A. 4(1/3) hours
B. 7 hours
C. 8 hours
D. 14 hours
Answer» B. 7 hours
29.

12 men and 18 boys, working hours a day, can do a piece of work in 60 days. If a man works equal to 2 boys, then how many boys will be required to help 21 men to do twice the work in 50 days, working 9 hours a day ?

A. 30
B. 42
C. 48
D. 90
Answer» B. 42
30.

A garrison had provision for a certain number of days. After 10 days, of the men desert and it is found that the provision will now last as long as before. How long was that ?

A. 15 days
B. 25 days
C. 35 days
D. 50 days
Answer» B. 25 days
31.

A contract is to be complete in 46 days and 117 men were set to work, each working 8 hours a day. After 33 days, 47 47 of the work is completed. How many additional men may be employed so that the work may be completed in time, each man now working 9 hours a day ?

A. 80
B. 81
C. 82
D. 83
Answer» B. 81
32.

21 binders can bind 1400 books in 15 days. How many binders will required to bind 800 books in 20 days ?

A. 7
B. 9
C. 12
D. 14
Answer» B. 9
33.

2 persons working 2 hours a day assemble 2 machine in 2 days. The number of machines assemble by 6 persons working 6 hours a day in 6 day is ?

A. 6
B. 18
C. 27
D. 54
Answer» B. 18
34.

If 17 labourers can dig a ditch 20 m long in 18 days, working 8 hours a day; how many more labourers should be engaged to dig a similar ditch 39 m long in 6 days, each labourer working 9 hours a day ?

A. 34
B. 51
C. 68
D. 85
Answer» B. 51
35.

If 5 engines consume 6 metric tonnes of coal when each is running 9 hours a day, how many metric tonnes of coal will be needed for 8 engines, each running 10 hours a day, it begin given that 3 engines of the former type consume as much as 4 engines of the latter type ?

A. 31831831831831831831831833318181188318
B. 8
C. 88988988988988988988988988889898899889
D. 612256122561225612256122561225612256122566612251225121212122525252561225
Answer» B. 8
36.

49 pumps can empty a reservoir in days, working 8 hours a day. If 196 pumps are used for 5 hours each day, then the same work will be complete in ?

A. 2 days
B. 212212 days21221221221221221222212121122212
C. 235235 days23523523523523523522235353355235
D. 3 days
Answer» B. 212212 days21221221221221221222212121122212
37.

3 pumps , working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day ?

A. 9
B. 10
C. 11
D. 12
Answer» B. 10
38.

4 mat-weavers can weave 4 mates in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days ?

A. 4
B. 8
C. 12
D. 16
Answer» B. 8
39.

If 6 persons working 8 hours a day earn Rs. 8400 per week, then 9 persons working 6 hours a day will produce in 30 minutes ?

A. Rs. 8400
B. Rs. 9450
C. Rs. 16200
D. Rs. 16800
Answer» B. Rs. 9450
40.

In a camp, there is a meal for 120 men or 200 children. If 150 children have taken the meal, how many men will be catered to with the remaining meal ?

A. 20
B. 30
C. 40
D. 50
Answer» B. 30
41.

If 4949 th of a bucket is filled in 1 minute, the rest of it will be filled in ?

A. 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute 1 minute
B. 94 minute94 minute94 minute94 minute94 minute94 minute94 minute94 minute94949944 minute minute minute94 minute
C. 54 minute54 minute54 minute54 minute54 minute54 minute54 minute54 minute54545544 minute minute minute54 minute
D. 45 minute45 minute45 minute45 minute45 minute45 minute45 minute45 minute45454455 minute minute minute45 minute
Answer» B. 94 minute94 minute94 minute94 minute94 minute94 minute94 minute94 minute94949944 minute minute minute94 minute
42.

If the cost of x metres of wire is d rupees, then what is the cost of y metres of wire at the same rate ?

A. Rs.(xyd) Rs.(xyd)` Rs.(xyd) Rs.(xyd) Rs.(xyd) Rs.(xyd) Rs.(xyd) Rs.(xyd) Rs Rs Rs...(xyd)((xydxydxydxydxyxyxyxydd)) Rs.(xyd)
B. Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)RsRsRs...(xd)(xdxdxd)Rs.(xd)
C. Rs.(yd)Rs.(yd)Rs.(yd)Rs.(yd)Rs.(yd)Rs.(yd)Rs.(yd)Rs.(yd)RsRsRs...(yd)(ydydyd)Rs.(yd)
D. Rs.(ydx)Rs.(ydx)Rs.(ydx)Rs.(ydx)Rs.(ydx)Rs.(ydx)Rs.(ydx)Rs.(ydx)RsRsRs...(ydx)((ydxydxydxydxydydydydxx))Rs.(ydx)
Answer» B. Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)Rs.(xd)RsRsRs...(xd)(xdxdxd)Rs.(xd)
43.

The value of11+√2+√3+11−√2+√3 is = ?

A. √2
B. √3
C. 1
D. 4(√3 + √2)
Answer» E.
44.

(32×10−5)−2×64÷(216×10−4)=10?

A. 6
B. 10
C. -8
D. -6
Answer» E.
45.

√10+√25+√108+√154+√2253√8=?10+25+108+154+225−−−√−−−−−−−−−−√−−−−−−−−−−−−−−−−√−−−−−−−−−−−−−−−−−−−−−−√−−−−−−−−−−−−−−−−−−−−−−−−−−−−√8–√3=?

A. 8
B. 4
C. 1/2
D. 2
Answer» E.
46.

Given 2x = 8y+1 and 9y = 3x-9 , then value of x+y is = ?

A. 18
B. 21
C. 24
D. 27
Answer» E.
47.

What are the values of x and y that satisfy the equationn$$eqalign{ u0026 {{text{2}}^{0.7x}}{text{.}}{{text{3}}^{ - 1.25y}}{text{ = }}frac{{8sqrt 6 }}{{27}}{text{ ?}} cr u0026 1 = cr} $$

A. x = 2.5, y = 6
B. x = 3, y = 5
C. x = 3, y = 4
D. x = 5, y = 2
Answer» E.
48.

If 55–√×53÷5−32 = 5a+2,then the value of a is = ?If 55×53÷5−32 = 5a+2,then the value of a is = ?

A. 4
B. 5
C. 6
D. 8
Answer» B. 5
49.

The exponential form ofn√√2×√3 is = ?

A. 61/2
B. 61/3
C. 61/4
D. 6
Answer» E.
50.

If abc = 1,then (11+a+b−1+11+b+c−1+11+c+a−1)=?If abc = 1,then (11+a+b−1+11+b+c−1+11+c+a−1)=?

A. 0
B. 1
C. 1/ab
D. ab
Answer» B. 1