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Start learning 50% faster. Sign in nowLet the distance from village to school be D km According to the question, ⇒ D/6 + D/5 = 11 ⇒ 11D/30 = 11 ⇒ D = 30 km
What is the fourth proportional of √20, √30, and √18?
Out of four numbers, the average of the first three is 16 and that of the last three is 14. If the last number is 17, then find the first number?
Happy and Sad are running on a circular track of radius 245 metres. Happy can complete a round in 200 seconds and the speed of Sad is twice the speed of...
If {p2 + (2p2/5)} = 14p , p ≠ 0, then find the value of {p2 + (10/p) - 1}.
In a kilometre race, A beats B by 30 metres or 6 seconds. Find the time taken by A to finish the race?
Find the third proportion of 32 and 16.
A Student was asked to add 8 and subtract 5 from a number. By mistake, he added 5 and subtracted 8. If his answer is 11, what should be the correct answer?
The ratio of Raj’s to Simran’s salary is 3: 5. If Simran’s salary is increased by 25%, her total salary becomes Rs. 54,000. What is th...
