If the sum and difference of two numbers are 20 and 8 respectively, th – McqOptions

MCQOPTIONS

1.	If the sum and difference of two numbers are 20 and 8 respectively, then the difference of their squares is :
A.	12
B.	28
C.	80
D.	160
Answer» E.

Discussion

No Comment Found

Related MCQs

If - = 3 and + = 29, find the value of
David gets on the elevator at the 11 floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?
A sum of Rs. 1360 has been divided among A, B and C such that A gets of what B gets and B gets of what C gets. B's share is:
If - = 3 and + = 29, find the value of
David gets on the elevator at the 11 floor of a building and rides up at the rate of 57 floors per minute. At the same time, Albert gets on an elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute. If they continue travelling at these rates, then at which floor will their paths cross ?
A sum of Rs. 1360 has been divided among A, B and C such that A gets of what B gets and B gets of what C gets. B's share is:
(0.49)4 x (0.343)4 (0.2401)4 = (70 100) ? + 3
What is the value of [725 x 725 x 725 + 371 x 371 x 371] / [725 x 725 - 725 x 371 + 371 x 371] = ?
If a2 + b2 = 234 and ab = 108, find the value of (a + b) / (a - b).
Solve [(238 + 131)2 + (238 - 131)2] / (238 x 238 + 131 x 131)