For the following questions answer them individually
The value of $$\left(\frac{7}{8}\div5\frac{1}{4}\times7\frac{1}{5}-\frac{3}{20}of\frac{2}{3}\right)\div\frac{1}{2}+\left(\frac{3}{5}\times7\frac{1}{2}+\frac{2}{3}\div\frac{8}{15}\right)$$Â is equal to 7 + k, where k =
A can complete $$33\frac{1}{3}$$% of a work in 5 days and B can complete 40% of the same work in 10 days. They work together for 5 days and then B left the work. A alone will complete the remaining work in:
If A is 75% more than B, C is 40% less than D and D is 20% more than A, then which one of the following is true?
The average weight of all the students in a class was 45.5 kg. Later on 5 students weighing 44.6 kg 43.4 kg, 44 kg, 45.5 kg and 43.5 kg leave the class. As a result, the average weight of the remaining students increases by 500g. What was the number of students in the class, initially?
In finding the HCF of two numbers by division method,the last divisor is 174 and the quotient are 1, 7 and 2, respectively. If the sum of the two numbersis divided by. the remainder is:
A person sells an article at a certain price. What is his gain percent, if by selling it at 80% of that price, he loses 16%?
Study the following table and answer questions:Â
Number of candidates appeared in an examination from five cities:
The number of candidates appearing for the examination from city D is what percent of the total number of candidates failed in cities A and B?
A shopkeeper allows 20% discount on the marked price of an article and still makes a profit of 28%. If he sells it at 12.5% discount on the marked price, then his gain percent is:
A boat goes 2 km upstream and 3 km downstream in 45 minutes while it goes 3 km upstream and 9 km downstream in 90 minutes. What is the speed (in km/hr) of boat when going down stream?