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Start learning 50% faster. Sign in nowSpeed of train = 1800/18 = 100 m/sec Let the speed of the man be ‘s’ m/sec Relative speed of the train = (100 – s) m/sec According to the question, (100 – s) = 1800/90 Or, s = 100 – 20 = 80 Therefore, speed of the man = 80 m/sec
What should come in place of the question mark (?) in the given series?
499, 498, 490, 463, 399, ?
Which two signs should be interchanged to make the below equation mathematically correct?
5 + 6 – 2 × 8 ÷ 4 = 30
Select the term that will come next in the following series.
A12B, D15E, G18H, J21K, ?
Four of the following five are equal in a certain way and form a group.
Which one is not related to that group?
Mock, Taunt, Tease, Rag, Praise
Which of the following numbers will replace the question mark (?) in the given series?
304, 261, 221, 184, ?, 119
In each of the given number-clusters, the number on the right side of '=' (the equal to sign) is calculated by performing certain mathematical operation...
If APPLE is coded as MOOPQ, SIR is coded as ABC and MANGO is coded as TMVWX. then ORANGE is coded as:
'P × Q' means 'P is the father of Q'
'P + Q' means 'P is the brother of Q'
'P ÷ Q' means 'P is the son of Q'
'P – Q' means 'P i...
Select the number from the given options which can come in place of the question mark (?) in the following series.
27, 29, 34, 44, 61, 87, ?
