Numbers with Explanation

Q8. (386 x 386 + 113 x 113 + 2 x 386 x 113) = ?

A. 789456 B. 584123
C. 249001 D. 245893

Q9. (475 x 475 + 125 x 125) = ?

A. 421250 B. 564879
C. 147963 D. 241250

Q10. (87 x 87 + 61 x 61 + 2 x 87 x 61) = ?

A. 650 B. 676
C. 750 D. 483

Q11. What should be the least value of a for which 6975a31 is divisible by 3?

A. 4 B. 5
C. 9 D. 2

Q12. Show that 52563744 is divisible by 24.

A. 24 B. 30
C. 25 D. 23

Q13. Find the least number must be subtracted from 1672 to obtain a number which is wholly divisible by 17?

A. 5 B. 8
C. 6 D. 9

Q14. On dividing 12401 by a certain number, we get 76 as quotient and 13 as remainder what the divisor is?

A. 189 B. 163
C. 178 D. 180