Q1.If the length and breadth of a rectangle is increased by 20% and 10% respectively, then find the percentage increase in the area of the rectangle?
(a) 36 %
Q2.If pipe A alone and Pipe B alone can fill a tank in 20 min and 30 min respectively and pipe C alone can empty it in 10 min. If the tank is completely filled, then find the time taken to empty the tank if all the three pipes are opened simultaneously?
(a) 45 min
(b) 50 min
(c) 60 min
(d) 40 min
(e) 55 min
Q3. An amount of 4000 rs is invested at 20% per annum for 2 yrs at compound interest compounding half-yearly, then find the total interest amount received after 2 yrs ?
(a) Rs 1856.4
(b) Rs 1812.4
(c) Rs 1882.4
(d) Rs 1912.4
(e) None of these
Q4.In a basket, there are 7 green ball, 6 blue ball and 5 red balls and if 2 balls are selected randomly from the basket, then what is the probability that both are either green or red ?
Q5.Acontainer is full of 75 litre milk. If 15 litre content of container is replaced by water and the same process is further repeated two times, then find the quantity of milk left in the final solution?
(a) 36.4 litre
(b) 38.4 litre
(c) 40 litre
(d) 41.4 litre
(e) 48.4 litre
Directions (6-10): What will come in the place of question (?) mark in the following question?
Directions (11-15): Given radar graph shows the data of users (males & females) registered for a trade fair in 5 different slots. Study the data carefully and answer questions.
Q11. Males registered for fair in slots A & C together are what percent more/less than females registered for fair in slots B & D together?
(e) None of these
Q12. What is average number of male users registered for fair in all the slots?
Q13. In which slot, does the maximum no. of users registered for the fair?
Q14. What is average no. of users in all the slots?
Q15. In how many slots, does the percentage of females registered in a slot over all users in same slot is more than 50%?