Dreamtech Expert Team Solutions for Chapter: Practice Test, Exercise 10: Quantitative Aptitude

A person invests $₹ 3,43,000$ for one year in two different schemes A and B. Scheme A gives him a simple interest at the rate of $6\%$ per annum and scheme B gives him a simple interest at the rate of $20\%$  per annum. If he gains an overall interest of $8\%$ per annum then find the sum of money invested in scheme A?

Two third of Ranjit's monthly salary is equal to the Raman's monthly salary. Raman's monthly salary is $30\%$ more than Pawan's monthly salary. Pawan's monthly salary is $Rs. 32,000$. What is Ranjit's  monthly salary?

The speed of a car is$70km/hr$, if the speed is increasing every $2$ hour by $2km/hr$, In how many hours will the car cover $345 km$?

A sum of money will be double of itself in $7$ years. In how many years, will it be $8$ times $C.I$.?

A train travelled a distance without stopping at an average speed of $90 km/hr$ but with stoppages, its average speed was $80 km/hr$ for how much time did the train stop?

Ashwani has a certain amount of money with him. He can buy either $60$ apples or $40$ mangoes. He wants to spend only $70\%$ of his money. So, he buys $14$mangoes and some apples. Find the number of apples purchased by Ashwani?

An urn contains $4$ yellow, $6$ green and $5$ red balls. Three balls are drawn at random. Find the probability that none of the balls drawn is green.

A and B can complete a work in $45$ days, B and C can complete it in $60$days, and A and C can complete it in $75$ days. In how many days will B be able to complete the entire work alone?