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Ques:- Two trains are coming from opposite directions with speeds of 75 km/hr and 100 km/hr on two parallel tracks. At some moment the distance between them is 100 km. After T hours, distance between them is again 100 km. T is equal to
A. 1 hr
B. $$1{1} / {7}$$
C. $$1{1} / {2}$$
D. 2 hrs
Ques:- A train 300 m long crossed a platform 900 m long in 1 minutes 12 seconds. The speed of the train (in km/hr) is
A. 40
B. 50
C. 60
D. 70
Ques:- Arun, Kamal and Vinay invested Rs.8000, Rs.4000 and Rs.8000 respectively in a business. Arun left after six months. If after eight months, there was a gain of Rs.4005, then what will be the share of Kamal?
A. Rs. 1780
B. Rs. 1602
C. Rs. 1335
D. Rs. 890
Ques:- a survey of 100 students at new england college showed the following:7 take english,history and language,17 take english and history,15 take english and language,18 take history and language,48 take english, 49 take history,38 take language.draw a venn diagram and answer the questions how many students
A. take history but neither of the other two?
B. take english and history but not language?
C. take none of the three?
D. take exactly two of the three?
E. do not take a language? (explanation also needed pls)
Ques:- Find out the wrong number in each sequence:
10, 14, 28, 32, 64, 68, 132
10, 14, 28, 32, 64, 68, 132
A. 28
B. 32
C. 68
D. 132