Question
The present age of Preeti is twice Ruchi’s present
age. Six years ago, their average age was 15 years. What will be the Preeti’s age after five years?Solution
Let Ruchi’s present age be x. Preeti’s present age be 2x. Six years ago, their average age, [(x-6) + (2x-6)]/2= 15 3x – 12 = 30 x = 14 Preeti’s age after 5 years = 2x + 5 = 2 × 14 + 5 = 33 years.
If 2 is subtracted from each odd digit and 1 is added to each even digit in the number 83252769, how many digits will occur more than once in the new nu...
Select the correct combination of mathematical signs that can sequentially replace * to balance the following equation.
20 ā 4 ā 6 ā 2 ā ...
A cricket bat is purchased at 20% discount. If the selling price of the bat is ā¹ 1,000, what was the original price of the bat?
The Payment of Gratuity (Amendment) Bill, 2018 was passed by the Lok Sabha on:
What policy did the Indian government adopt in the 1970s to resolve industrial disputes?
Who is responsible for implementing the Pradhan Mantri Vaya Vandana Yojana (PNVVY)?
Which of the following are correct regarding smart city mission?
Ā Ā Ā Ā Ā I.Ā Ā Ā Ā Ā Ā Ā It is anĀ innovativeĀ initiative under theĀ Ministry...
An intern was paid a stipend of Rs. 1,792 for a period of 30 days calculated on daily basis. During this period, he was absent for 4 days and was fined ...
Chairperson and members of the State Human Rights Commission are appointed by the Governor on the recommendations of a committee. Who of the following ...
Relevant for Exams:
