1.
What is 12 and half multiplied by itself?
3.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
4.
0.17 ÷ a² = 17. Find 'a'.
5.
Simplify: 3 . a° . b² . c°
6.
The ratio of two numbers is 7 : 8 and their H.C.F. is 4. What is their L.C.M. ?
7.
Which one of the following statements is correct ? The number 5340304332 is:
8.
Of six consecutive numbers, the sum of first three is 27. what is the average of next three ?
9.
CP of 12 articles is equal to the SP of 15 articles. Find profit or loss percent.
10.
HCF of the group of given numbers is less than the smallest of these numbers.
11.
Use the digits 3,4 and 5 to form the largest and the smallest mixed fractions. What is the sum of the two fractions?
12.
The simplified value of (7+3)6 ÷ 4 - 12 ÷ 6 is :
13.
Multiply 2916372128 by 25 without the help of calculator.
14.
What is the maximum difference of two consecutive prime numbers up to 100 ?
15.
What is difference between − 37 and 63?
16.
The product of two numbers is 1280 and their H.C.F. is 8. What will be the L.C.M. of the two numbers ?
17.
The difference between two numbers is 7 and their sum is 35. What will be their product ?
18.
The least number which must be added to 6709 to make it exactly divisible by 9 is :
20.
Two articles are sold for Rs.1 each. One is sold at a profit of 20% and other at a loss of 20%. Find the net profit or loss.
