Six boxes A, B, C, D, E, and F are kept one above another such that bottommost box is numbered as 1 and the box immediately above it is numbered as 2 and so on. A is kept three boxes below F. C is kept immediately below D. Neither D nor C is kept adjacent to F. Only two boxes are kept between D and B. Which box is kept three boxes above C?
The average age of three children is 21 years. If their ages are in the ratio 3:5:6. Find the age of the youngest child.
The average cost of three chairs is Rs.11000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
The average of first five multiples of 3 is
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
The average cost of two chairs is Rs.10000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 3rd
The average of six numbers is 8. When three new numbers are included in such a way that the first number is twice the second and second number is thrice...
In a gathering of 30 guests, the average age of each guest in the class is 21 years. Later, 4 more guests join the party, causing the average age of the...
The average expenditure of Mr. Sharma for January to June is Rs. 4200 and he spent Rs. 1200 in January and Rs. 1500 in July. The average expenditure for...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 45 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average age of 6 sisters is 30 yr. If the age of the youngest sister be 5 yr. What was the average age of the group of sister just before the birth ...
