1.
a6 < 1000, Find the greatest possible values of the whole number 'a'.
2.
Simplify 29 x 76 - 71 x 29
3.
What do you call two fractions, whose product is 1 ?
4.
If two numbers are equal, then:
5.
If x and y are the smallest and the greatest four digit numbers formed by using 1, 5, 0 and 9, then find y - x.
6.
Which of the following is/are perfect squares?
7.
If r³ = 1728, then find r.
9.
Find the H.C.F. of 63 and 109.
10.
In a shooting game, if we hit a balloon, we get 50 points and if we miss the balloon, we lose 30 points. A person hits 30 balloons and misses 35 balloons. Find his net score.
11.
40% of 175 + 175% of 60 =
12.
Find the degree of (x² - x )²
13.
Find the number by which 2−6 be multiplied so that the product is 2?
14.
2a = 4b = 8c = 64. Find a² + b² + c².
15.
The L.C.M. of two numbers is 525 and the product of two numbers is 2625. Find the H.C.F.
16.
Which of the following yields maximum interest for 300 months?
17.
Which of the following is a perfect square?
18.
If p + q =15 and pq=54, then p - q can be
19.
If x : y =2 : 3 and z : y =4 : 6, then find x : z
20.
ab = ba but b ≠ a, then find a + b.