1. The sum of the square of two consecutive even numbers is 6500. Which is the smaller number?(5)
(1) 54
(2) 52
(3) 48
(4) 58
(5) None of these
18. Sum of two numbers is equal to sum of square of 11 and cube of 9. Larger number is (5)2 less than square of 25. What is the value of the sum of twice of 4 percent of the smaller number and half of the larger number? (5)
(1) 415
(2) 400
(3) 410
(4) 425
(5) None of these
19. Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number? (assuming both the numbers are positive) (3)
(1) 18
(2) 8
(3) 9
(4) 16
(5) None of these
20. The sum of nine consecutive odd numbers of set_A is 621. What is the sum of different set of six consecutive even numbers whose lowest number is 15 more than the lowest number of set-A? (5)
(1) 498
(2) 468
(3) 478
(4) 488
(5) None of these
21. The product of three consecutive even numbers is 4032. The product of the first and the third number is 252. What is five times the second number? (4)
(1) 80
(2) 100
(3) 60
(4) 70
(5) 90
