Maths

A grocer professes to sell rice at the cost price, but uses a fake weight of 870 g for 1 kg. Find his profit percentage (correct to two decimal places). Optionsa) 14.94 %b) 15.11 %c) 18.21 %d) 11.11 % Solution As per questionSP = 1000 gCP = 870 gP% = $ \frac{SP-CP}{CP} \times 100$%P% = $ […]

R pays Rs 100 to P with Rs 5, Rs 2 and Rs 1 coins. The total number of coins used for paying are 40. What is the number of coins of denomination Rs 5 in the payment? Optionsa) 18b) 16c) 17d) 13 Solution As per questionR pays to P = 100 Rs. R gives coins

An article is marked at Rs 550. If it is sold at a discount of 40%, then the selling price becomes 10% more than its cost price. What is the cost price (in Rs)? Optionsa) 300b) 220c) 200d) 330 Solution As per questionMP = 550 Rs.40% of discountS.P = 550 x .60 = 330Selling price becomes 10%

In a circular race of 840 m, A and B start running in the same direction at the same time from the same point at the speeds of 6 m/s and 12 m/s, respectively. After how much time will they meet next? Optionsa) 140 sb) 70 sc) 20 sd) 40 s Solution As per questionCircular race of

Mohan borrows a sum of Rs 4,22,092 at the rate of 20% per annum simple interest. At the end of the first year, he repays Rs 21,679 towards return of principal amount borrowed. If Mohan clears all pending dues at the end of the second year, including interest payment that accrued during the first year, how much does

Which of the following can be the value of ‘k’ so that the number 217924k is divisible by 6? Optionsa) 4b) 6c) 0d) 2 Solution As per questionMultiple of 6 = 2 x 3A number divisible by 6 will also be divisible by 2 and 3The last digit of the number divisible by 2 will be

Rajesh in his printing press, got an order to print some books, out of which he completed 17/27 of the order in 34 days, In how many days did he complete the entire order of printing? Optionsa) 20b) 56c) 54d) 60 Solution As per questionCompleted 17/27 of the order in 34 daysTotal entire order of printing = 27Completed 17

The average marks (out of 100) of boys and girls in an examination are 75 and 80, respectively. If the average marks of all the students in that examination are 78. Find the ratio of the number of boys to the number of girls. Optionsa) 2 : 3b) 1 : 2c) 1 : 3d) 3 : 4

Fill pipe P is 21 times faster than fill pipe Q. If Q can fill a cistern in 110 minutes, find the time it takes to fill the cistern when both fill pipes are opened together Optionsa) 6 minutesb) 4 minutesc) 5 minutesd) 3 minutes Solution As per questionP work 21Q work 1Q can fill