1. The product of 2 numbers is 1575 and their quotient is 9/7. Then the sum of the numbers is (c)
a. 74
b. 78
c. 80
d. 90
2. The value of (81)3.6 * (9)2.7/ (81)4.2 * (3) is (c)
a. 3
b. 6
c. 9
d. 8.2
3. The sum of the squares of two natural consecutive odd numbers is 394. The sum of the numbers is (d)
a. 24
b. 32
c. 40
d. 28
4. When (6767 +67) is divided by 68, the remainder is (d)
a. 1
b. 63+
c. 66
d. 67
5. If 738 A6A is divisible by 11, then the value of A is (c)
a. 6
b. 3
c. 9
d. 1