1) If the difference between the areas of two squares is 100 and their sides are integers then which of the following can be the value of the side of the bigger square?
(a) 20
(b) 24
(c) 26
(d) 52
(e) 51
2) Roma started moving along the sides of a square field from one of the four vertices in clockwise direction and every time she reached to a vertex she doubled her speed. What will be the ratio of the times taken by Roma to complete the first round and second round?
(a) 2:1
(b) 4:1
(c) 8:1
(d) 16:1
(e) 32:1
3) Sushant is selling chocolates at a rate of 5 Rs per chocolate and the size of the packet is 100 chocolates. He can increase the size of the packet by adding the chocolates in the multiples of 20. For every 20 additional chocolates he has to reduce the price by 0.2 Rs per chocolate.What should be the size of a packet such that the revenue is maximum?
(a) 200
(b) 300
(c) 400
(d) 500
(e) 600
4) Before 9 years father's age was three times of son's age whereas after 18 years it will be only one and a half times. What is the sum of their present ages?
(a) 36
(b) 54
(c) 72
(d) 108
(e) None of these
5) Sooraj bought the balls of three colours such that atleast 1 ball of each colour is there; the colours were red, green and blue. The cost of a red ball is 9 Rs, a green ball is 7 Rs and a blue ball is 5 Rs. I spent a total of 53 Rs and purchased more than 7 balls. How many red balls did I purchase?
(a) 1
(b) 2
(c) 3
(d) 4
(e) 5 |