Q.1) 47 X 29=?
Q.2) 491 X 13=?
Q.3) 67 X 790=?
Q.4) 349 X 117=?
Q.5) 1589 X 451=?
Q.6) The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:
Q.7)
Q.8) The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:
Q.9) If a - b = 3 and a2 + b2 = 29, find the value of ab.
Q.10) The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:
ANSWERS:
Ans. 1) 1363
Ans. 2) 6383
Ans. 3) 52930
Ans. 4) 40833
Ans. 5) 716639
Ans. 6) 23
Ans. 7) 4:27
Ans. 8) 400
Ans. 9) 10
Ans. 10) 20
