Suppose A invested Rs. 6x for 7 months and B invested 7x for y months then, ⇒ (6x × 7)/(7x × y) = 3/4 ⇒ y = (42x × 4)/(7x × 3) ⇒ y = 168x/21x ⇒ y = 8
The income of P is 4/7th of the income of Q and income of R is 40% more than the income of Q. Income of Q is Rs.21000 and expenditure of P is...
Rakesh obtained 25% more marks than Ambuj Suresh obtained 52% less marks than Rakesh. Marks obtained by Suresh are what percent less than marks obtained...
The marks scored by a boy in three subjects are in the ratio 4 : 5 : 3. Boy scored an overall aggregate of 80% in the exam. If the maximum marks in each...
The average age of three children in a family is 35% of the average of the age of father and the eldest child. The total age of the mother and the young...
The total population of villages A and B together is 75000. ‘y’% and (y+15)% of the population of village A and B are working professionals. The rat...
The income of ‘A’ increases by 20% every year. If his income 3 years hence from now will be Rs. 51840, then find his income a year before from now.<...
There were two candidate in an election. 15% of the total voters did not cast their votes whereas 10% of the casting votes were declared invalid. If the...
The income of Tina is Rs.26000 and she saves 30% of her income. The savings of Kajal is Rs.3000 more than that of Tina and she spends 60% of her income....
A company allowed 9% commission on the total sales made by the salesman and a bonus of 1% on the sales over Rs. 40000. If the salesman deposited Rs. 81...
In a competitive examination, 70% of candidates pass and 480 candidates fail, then how many total candidates appeared in the examination?
