Question
Who patented the three-position traffic signal in
1923?Solution
The correct answer is A
Calculate the mean of these values:
25, 30, 28, 27, 29, 26, 32, 31
If the number 9458k2 is divisible by 8, then find the number of possible values of 'k'.
What is the mean of the following numbers:
45, 50, 55, 60, 65
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...
Between 3 and 96, three numbers are inserted to form a GP. Find the second inserted term.
In an AP, S₅ = 75 and S₇ = 119, where S_n is sum of first n terms. Find the 10th term.
3600, 600, 120, 30, 10, ?
Boat ‘A’ can cover 320 km in still water in 16 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 5:3 and the sp...
Find the sum of geometric progression, 40, 20, 10, 5, …..
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
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