App Logo

No.1 PSC Learning App

1M+ Downloads
51 കുട്ടികളുള്ള ഒരു ക്‌ളാസിലേ 21-ാം റാങ്കുകാരനാണ് രവി എങ്കിൽ പിന്നിൽ നിന്നും രവി എത്രാമതാണ് ?

A30

B22

C31

D29

Answer:

C. 31

Read Explanation:

ആകെ = m+n-1

51=21+n-1

52=21+n

n=52-21=31

ഒരു വ്യക്തി / ഒരു വസ്തു, ഒരു വശത്തു നിന്നും nth ഉം മറുവശത്തു നിന്നും mth ഉം ആയി Rank നൽകിയാൽ ആ വരിയിൽ നിരയിൽ ആകെ (m+n-1) വ്യക്തികൾ/ വസ്തുക്കൾ ഉണ്ടായിരിക്കും


Related Questions:

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13-Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 are not allowed.) (7, 175, 5) (6, 294, 7)
Six friends, Arun, Suresh, Rahul, Priyanka, Dilan and Hiba, took a test online. All of them scored different marks in the test. Suresh scored more than Priyanka but less than Arun. Hiba scored the least. Dilan scored less than Rahul. Arun scored more than Priyanka and Rahul. Who among the six scored the most?
Aman is older than Sahu, Sahu is younger than Komal but older than Millan. Komal is older than Aman but younger than Uday. Who is the third oldest among them?
Six girls named P, Q, R, S, T and U are sitting in a straight line. All are facing the north direction. U sits third to the left of R. S sits third to the right of Q. U sits second to the left of Q. T is not the immediate neighbour of U. What is P's position in the line?

Six friends are sitting in a circle. All of them are facing the centre. Samir is an immediate neighbour of Kiran. Gagan is an immediate neighbour of Pran and Vyom. Suman sits second to the right of Gagan. Kiran sits second to the right of Vyom.

Who sits third to the right of Suman?