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Speed of the first train = 72 km/hr = (72 × 1000) ÷ 3600 = 20 m/s Speed of the second train = 54 km/hr = (54 × 1000) ÷ 3600 = 15 m/s Relative speed = 20 + 15 = 35 m/s Total length = 250 + 300 = 550 meters Time to cross = 550 ÷ 35 = 15.71 seconds ≈ 15.7 seconds Correct Option: a)
5, 15, 30, 135, 405, 1215, 3645
Identify the letter-cluster that does not belong to the following series.
RBK, TYM, VVO, XSP, ZPS, BMU
60 32 4 8 -4
A series is given with one wrong term. Select the wrong number from the given series.
17, 29, 43, 59, 77, 97, 112
Select the wrong term in the series.
7, 14, 42, 210, 1470, 17640
Find the wrong number in the following number series:
2500, 1000, 400, 160, 60
A series is given with two wrong terms. Select the wrong term in the given series.
32, 43, 58, 73, 92, 117, 144
Select the wrong term from the given series?
RFD, OBY, LXT, ITO, FSK
8, 20, 48, 108, 232, 482
Arrange the following words in a logical and meaningful order.
1. Monkey
2. Elephant
3. Rat
4. Fly
5. Lion
