Instructions

For the following questions answer them individually

Question 1

Twenty one times of a positive number is less than its square by 100. The value of the positive number is

Question 2

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

Question 3

A General of an Army wants to create a formation of square from 36562 army men. After arrangement, he found some army men remained unused. Then the number of such army men remained unused was

Question 5

A boy found the answer for the question "Subtract the sum of $$\frac{1}{4}$$ and $$\frac{1}{5}$$ from unity and express the answer in decimals" as 0.45. The percentage of error in his answer was

Question 6

The product of two numbers is 48. If one number equals "The number of wings of a bird plus 2 times the number of fingers on your hand divided by the number of wheels of a Tricycle". Then the other number is

Question 7

Natu and Buchku each have certain number of oranges. Natu says to Buchku,"If you give me 10 of your oranges, I will have twice the number of oranges left with you". Buchku replies,"If you give me 10 of your oranges, I will have the same number of oranges as left with you". What is the number of oranges with Natu and Buchku, respectively?

Question 8

A square play ground measures 1127.6164 sq.m. If a man walks 2$$\frac{9}{20}$$ m a minutes then time taken by him to complete one round around it is approximately

Question 9

Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is

Question 10

Two baskets together have 640 oranges. If ($$\frac{1}{5}$$)th of the oranges in the first basket be taken to the second basket. The number of oranges in the firstbasket is