Question
The average of 18 numbers is 12. If each number is
increased by 2, what will be the mean of the new set of numbers?Solution
Sum of 18 numbers = (18 × 12) = 216 After addition of 2 to each of the numbers, New sum = 216 + (18 × 2) = 252 So, required mean = (252/18) = 14 Alternate Solution Since, each number is increased by ‘2’. So, mean will also increase by ‘2’. So, required mean = 12 + 2 = 14
In a certain code language, ‘ARGOT’ is coded as ‘12497’ and ‘GRAFT’ is coded as ‘29743’. What is the code for ‘F’ in the given code ...
Which one of the following pairs of Zonal Railways and their Headquarters is not correctly matched?
Seven boxes, A, B, C, D, E, F, and G, are kept one over the other but not necessarily in the same order. Only two boxes are kept between G and B. B is k...
Who was the Chairman of the inaugural session of the constituent assembly?
In India, Mangrove forests are majorly found in which of the following states?
The Constituent Assembly for framing the Constitution for Independent India was set up in :
Shri Rajender Singh won the Ramon Magsaysay Award for
The income of Tina is Rs.27000 and she saves 30% of her income. The savings of Kajal is Rs.3000 more than that of Tina and she spends 40% of her income....
Which financial statement shows the company’s financial position at a specific point in time?
Simplify 24 ÷ 4 × 2 + 8 − 4
Relevant for Exams:
