**Ratio Proportion**Difficulty Level : Moderate

Q.18.The time taken by a jet,to reach a certain place while flying at a speed ,slower by 300m/s than the normal , is double the time taken by it while flying at a speed 300m/s than normal.

What is the ratio of delayed time while flying slower to the earlier time while flying faster?

(a) 3:2 (b) 1:2 (c) 2:1 (d) Cannot be determined

Q.40. The square of the time taken by a planet to complete one revolution around the sun varies as the cube of its mean distance from the sun. If the ratio of the mean distance Mars and saturn from the sun is 16:3. FInd the number of days on saturn that are equal to a year on Mars.

(a) 4496 (b) 4294 (c) 5598 (d) 4696

Q.19. Anand and Bhavana have a few one rupee ,50 paisaand 25 paisa coins each. The total with them is Rs 5. The number of coins of the two of the three types of coins that Anand has are equal and same is the case that Bhavana has . If Anand has the maximum possible total number of coins , then find the maximum possible total number of coins that Bhavana can have given that she has fewer coins than Anand.

(a) 16 (b)12 (c) 10 (d) 9

I HOPE WE WILL SURELY RECEIVE SOME MORE QUALITY PROBLEMS FROM THE BOOK AND SOON THIS SET OF QUERY WILL BE RESOLVED!!!!