Get Started with ixamBee
Start learning 50% faster. Sign in now
ATQ, Let the total amount of work be 24units (LCM of 8 and 12) Efficiency of Sam = 24/8 = 3 units/day Efficiency of John = 24/12 = 2 units/day Work done together in 2 days = (3+2) × 2 = 10 units Remaining work = 24-10 = 14 units, completed by John alone. Units of work done by John = 14+(2×2) = 14 +4 = 18 units Part of work done by John = 18/24 = 3/4
The population of a city is decreased by 20% in the first year and then increased by 30% in the second year. Find the population of the city at the end...
In a mixed school 25% of the scholars are infants under 7 and the number of girls above 7 is 4/5 of the number of boys above 7, and amounts to 120. Find...
The respective ratio of monthly income of A to monthly income of B is 5:6, and A’s saving is (100/6)% more than B’s saving. Find the expenditure of ...
In an exam, Sunil scored 45% marks and failed by 18 marks while Rina scored 90% marks and scored 72 marks more than the passing marks. Find out the pass...
Suyash have total amount of Rs.2600 out of which, he spent 30% on food, 45% of the rest on travelling. Out of remaining amount he spends Rs.561 on misce...
Gita, Hema, and Isha contested an election in which 6400 votes were polled and none of the votes were invalid. Hema got 60% more votes than the total vo...
The value of A’s car is depreciating by 45% every year whereas the value of his house is appreciating by 10% each year as compared to the previous yea...
The only expenses of Arun are on grocery, rent and fun expenses. Arun spent Rs. 5,000 on fun, amount spent by him on rent is Rs. 9,000 more than that on...
Monthly income of P is Rs.20000 and his monthly savings is Rs.12000. If his monthly income is decreased by 40% and monthly expenditure is decreased by 3...
Seven years ago, the ratio of the ages of A and B was 4: 5. Eight years hence, the ratio of the ages of A and B will be 9:10. What is the sum of their p...
