Question
The speed of a boat in still water is 10 kmph. It covers
a distance of 60 km downstream in 5 hrs. The speed (in kmph) of the stream isSolution
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
If p:q = 5:7 and p + q = 408, then find the value of (q - p).
The interest earned when a sum is invested at simple interest of 20% p.a., for 3 years, is Rs. 3000. What will be the total amount received after 2 year...
The marks obtained by 12 students out of a maximum of 30 in a test are given as 25, 28, 24, 22, 25, 18, 20, 22, 19, 23, 22, and 26. Find the sum of the ...
18, 27, 54, 135, 400, 1417.5
A spent 36% and 25% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 25% and 40% to his mother and brother, respec...
When the profit obtained by selling an item for Rs. 768 is the same as the loss suffered when the item is sold for Rs. 312. What ...
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
Pipe ‘A’ and pipe ‘B’ can fill a cistern in 20 minutes and 15 minutes respectively. Pipe ‘C’ alone can empty the cistern in 12 minutes. If a...
If P represents the largest single-digit prime number, determine the fourth proportional to the numbers (P + 3), (P - 2), and (P + 5).
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