1.
How many prime numbers are there in the first 150 natural numbers?
2.
Simplify: 9 + 2 x 6 ÷ 4 − 12 ÷ 6 x 2
3.
Which one of the following statements is correct ? The number 5340304332 is:
4.
The value of 3360 ÷ 14 x 6 + 340 is:
5.
The product of two co -prime numbers is 117. What is their L.C.M. ?
6.
An apple is 40 cents, a banana is 60 cents and a grapefruit is 80 cents. How much is a papaya?
7.
Multiply 2916372128 by 25 without the help of calculator.
9.
The value of (8 ÷ 88) 'y' = 333333. Find 'y' :
10.
CP of 12 articles is equal to the SP of 15 articles. Find profit or loss percent.
11.
The ratio of two numbers is 7 : 8 and their H.C.F. is 4. What is their L.C.M. ?
12.
Is it possible to have product of sum and difference of two numbers as −33 in each case? If yes, find the difference of the two numbers.
13.
Which is greater x+4 or x-4 for any negative value of x ?
14.
To find the HCF of fractions, which of the given combinations we need to find ?
15.
Five times what number is no larger than four times that same number?
16.
What is the least number which when decreased by 7 is divisible by each of the numbers 10, 15, 30 and 36 separately ?
17.
What is difference between − 37 and 63?
18.
Using Vedic math, find the square of 9984.
19.
What is 12 and half multiplied by itself?
20.
How many integers are there between -1 and 1 ?
