What will be the amount if a sum of Rs 10,000 is placed in CI for 3 years while the rate of each of the three years is 10%, 5% and 2% respectively?
4 gallons are drawn from a case full of wine. It is again filled with water. 4 gallons of mixture are again drawn and the cask is re-filled with water. The ratio of thequantity of wine now left in the cask to that of the mixture in it is 36:49. How much does the cask hold?
In a class comprising 48 boys and some girls, the average age of boys is 14.166 years and that of girls is 10 years. If the average age of the class is 12 years, thenhow many girls are there in the class?
78 identical cubes each with 2 cm edge are joined together to form a cuboid. If the perimeter of the base of the cuboid is 64 cm, then the number of cubes along theheight of the cuboid is
It takes 30 hours for an inlet pipe to fill an empty tank completely. When 5 identical inlet pipes and 4 identical outlet pipes operate together, the same empty tank get filled completely in 10 hours. How much time (in hours) will an outlet pipe take to empty the same tank when it’s filled upto half its volume?
Pandey ji, Veeru bhai and Ghalib saab had to paint three identical fences. On the first day, only Pandey ji turned up for work and he completed the work only on the first fence taking ‘a’ hours. On the second day, all three of them turned up and they completed work only on the second fence taking (a – 4) hours. On the third day,Veeru bhai and Ghalib saab turned up and they completed the work on the third fence taking (a + 5) hours. Find for how many hours Pandey ji worked on first day?
Anant purchased x chocolates for Rs. y, where y is a natural number. The shopkeeper had offered to give him x+10 chocolates for Rs. 2. Anant declined the offerthough it would have resulted in a saving of 80 paise per dozen chocolates for him. Which of the following can be the number of chocolates purchased by Anant?
2 years ago, one-fifth of Amita’s age was equal to one-fourth of the age of Sumita, and the average of their age was 27 years. If the age of Paramita is alsoconsidered, the average age of three of them, two years ago, declines to 24. What will be the average age of Sumita and Paramita 3 years from now?
A teacher brought a certain number of friendship bands for the students in the classroom for Friendship Day celebrations. Each student gives a friendship band to every other student. On the Friendship Day at 10 am 2 students were absent, so 102 friendship bands were not utilised. But at 11 am one of the absent students came to the classroom. Find the number of friendship bands unutilised.
