self Maths Puzzle

A 280 metre long train moving with an average speed of 108 km/hr crosses a platform in 12 seconds. A man crosses the same platform in 10 seconds. What is the speed of the man in meter / second?
option
(A) 5 m/s
(B) 8 m/s
(C) 12 m/s
(D) Cannot be determined
(E) None of these

Read Solution (Total 1)

B.8m/s
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8 years agoHelpfull: Yes(0) No(2)

self Other Question

Call rate of a sim company-A is 1 paisa for every 3 seconds. Another sim company-B charges 45 paisa per minute. A man talked 591 seconds from Sim Company-A and 780 seconds from sim company-B. What would be the total amount he spent?

(A) Rs. 7.80

(B) Rs. 7.40

(C) Rs. 7.46

(D) Rs. 7.82

(E) Rs. 8.46 The ratio between the three angles of a quadrilateral is 13 : 9 : 5 respectively. The value of the fourth angle of the quadrilateral is 36 degree. What is the difference between the largest and the second smallest angles of the quadrilateral?
option
(A) 104 degree
(B) 108 degree
(C) 72 degree
(D) 96 degree
(E) None of these