Amit can do 50% more work than Bhushan in same time. Bhushan alone can do a piece of work in 30 hours. Bhushan starts working and had already worked for 12 hours when Amit joins him. How many hours should Bhushan and Amit work together to complete the remaining work?
correct answer:-4
Reema had 'n' chocolates. She distributed them among 4 children in the ratio of $$\frac{1}{2} : \frac{1}{3} : \frac{1}{5} : \frac{1}{8}$$. If she gave them each one a complete chocolate, the minimum number of chocolates she had distributed.
correct answer:-2
A cylindrical box of radius 5 cm contains 10 solid spherical balls, each of radius 5 cm. If the top most ball touches the upper cover of the box, then the volume of empty space in the box is :
correct answer:-1
Alpha and Beta are two chemical fertilizers. Alpha consists of N, P, Kand Beta consists of N and P. A mixture of Alpha and Beta is prepared in which the ratio of N, P and K is 26%, 68% and 6%. The ratio of N, P, K in Alpha is 20%, 70% and 10%. What is the ratio of N and P in Beta?
correct answer:-3
A man takes 4 hours 20 minutes in walking to a certain place and riding back. If he walks on both sides, he loses 1 hour. The time he would take by riding both ways is
correct answer:-3
Given below are two statements:
Statement I : The ratio of the circumference of two circ les is 3:4, then the ratio of
their area is 9: 16.
Statement II : If the circumference and the area of a circle are numerical equal, then
the diameter is equal to 4.
In the light of the above statements, choose the correct answer from the options given below.
correct answer:-1
In a race A, B and C take part A beats B by 30 meters, B beats C by 20 meters and A beats C by 48 meters.
Given below are two statements:
Statement I : The length of the race is 300 meters.
Statement II : The speed of A, Band C are in the ratio 50 : 45 : 40.
In the light of the above statements, choose the correct answer from the options given below:
correct answer:-3
Match List I with List II :
Choose the correct answer from the options given below :
correct answer:-4
Anand's income is ₹ 140 more than Biren's income and Chandu's income is ₹ 80 more than Deepak's. If the ratio of Anand's & Chandu's income is 2 : 3 and the ratio of Biren's and Deepak's income is 1 : 2 , then the incomes of Anand, Biren, Chandu and Deepak are respectively:
correct answer:-3
Three vessels 'P', 'Q' and 'R' of same capacity are all full. Vessels 'P' and 'Q' contain mixture of milk and water in the ratios 4 : 1 and 7 : 3 respectively while vessel 'R' contains
only pure milk. The contents of these vessels are poured into a larger vessel 'S'. After drawing 30 litres of mixture from vessel 'S', the final quantity of water left in vessel 'S' is 40 litres, then the capacity of each vessel is :
correct answer:-3
Arrange the following in descending order.
(A) $$\sqrt{3} - \sqrt{2}$$
(B) $$\sqrt{4} - \sqrt{3}$$
(C) $$\sqrt{5} - \sqrt{4}$$
(D) $$\sqrt{2} - 1$$
Choose the correct answer from the options given below :
correct answer:-3
Candidates in a competitive examination consisted of 60% men and 40% women. 70% men and 75% women cleared the qualifying test and entered the final test, where 80% men and 70% women were successful. Which of the following statements is/are correct ?
A. Success rate is higher for women.
B. More men cleared the examination than women.
C. Success rate is higher for men.
D. Overall success rate is below 50%
Choose the correct answer from the options given below :
correct answer:-4
A fa ir coin is tossed repeatedly. If tail appears on fi rst four tosses, then the probability of head appearing on fihh toss equals.
correct answer:-2
Arrange the following in descending order :
A: $$\sqrt{401} -\sqrt{399}$$
B: $$\sqrt{301} -\sqrt{299}$$
C: $$\sqrt{101} -\sqrt{99}$$
D: $$\sqrt{201} -\sqrt{199}$$
correct answer:-4
Equal amounts of each ₹ 1,000 is lent to two persons for 3 years one @ 30% simple interest and second at 30% compound interest annually. By how much percent is the compound interest greater than the simple interest received in this 3 years duration.
correct answer:-2
The value of$$ \left(\frac{x^a}{x^b}\right)^{(a^2 + ab + b^2)} \left(\frac{x^b}{x^c}\right)^{(b^2 + bc + c^2)} \left(\frac{x^c}{x^a}\right)^{(c^2 + ca + a^2)}$$ is:
correct answer:-3
A merchant earns 25% profit in general. Once his 25% consignment was abducted forever by some thieves. Trying to compensate for his loss he sold the rest of his consignment by increasing his selling price by 20%. What is the new percentage profit or loss?
correct answer:-3
A person sold an article for i 136 and incurred 15% loss. Had he sold it for ix, he would have obtained a profit of 15%. Which one of the following is correct ?
correct answer:-2
Given below are two statements :
Statement I : The perimeter of a triangle is greater than the sum of its three medians.
Statement II : In any triangle ABC, if D is any point on BC, then AB + BC + CA > 2AD.
In the light of the above statements, choose the correct answer from the options given below :
correct answer:-1
Ramesh purchased two mobile phones from a shop. He sold first mobile phone at the price of ₹ 18750 and the second mobile phone at the price of ₹ 14250. If the profit percent on first mobile phone is five times of the loss percent on the second mobile phone, then find out the overall profit made by Ramesh after selling both the mobile phones, given that he purchased both at same cost.
correct answer:-4