1.
What is the unit's digit of the product of all prime numbers between 1 and 100 ?
2.
The sum of the ages of three persons is 100 years. what will be the sum of their ages after 5 years:
3.
Find the value of 'x' if 2/3 x +3/8 =3/8
4.
If consecutive whole numbers from 1 onward are written one after another to the right of 1 , find the unit digit at the 31 st place.
5.
A person can cover a distance at 12m/sec in 100seconds but he wants to cover it in 80 seconds, what should be his speed?
6.
The sum of eleven lakh, eleven thousand, eleven hundred and eleven.
7.
If * means double of the first number added by five times the second number, then find ( 1 * 2 ) * 6.
8.
HCF of the group of given numbers is less than the smallest of these numbers.
9.
Define concave quadrilateral.
10.
P and Q are two positive integers such that PQ= 64 . Which of the following is not the correct value of P + Q ?
11.
If 27x = 9 x 81. Find 'x'.
12.
To construct a rectangle, you must have one side and :
13.
Which of the following numbers lies in the middle of 3/4 and 7/4 ?
14.
Reshma has spent ¾ of ½ of her pocket money. If she still has Rs.62.5,, What is her total pocket money?
15.
Ramesh purchased few oranges at the rate ‘x’ for Rs.’y’and sold at ‘y’ for Rs.’x’. If y > x. Will there be profit or loss?
16.
Express 37 ⅜ as a decimal:
17.
A number 'n' is said to be 'perfect' if the sum of all its divisors (excluding 'n' itself ) is equal to n . An example of a perfect number is:
18.
The final ratio of two quantities can be expressed as ⅜ : ⅓ .
19.
What is the remainder obtained when a prime number greater than 6 is divided by 6 ?
20.
What the point of intersection of the medians of a triangle called ?