Two cars starts from the same point at the same time towards the same destination which is 420 km away. The first car and the second car travel at respective speeds of 60 kmph and 90 kmph. After traveling for some time, the speeds of the two cars get interchanged. Finally, the second car reaches the destination one hour earlier than the first.  Find the time after which the speeds get interchanged.

1.  2 hours

2.  4 hours

3.  3 hours

4.  5 hours

View Answer  
4
Correct Answer :

4 hours


Explanation :
No Explanation available for this question

If A:B is 2:3 and B:C is 3:4 then A:C is equal to

1.  2:3

2.  6:7

3.  5:6

4.  1:2

View Answer  
4
Correct Answer :

1:2


Explanation :
No Explanation available for this question

How many 5-digit numbers greater than 60,000 are possible involving the digits 6, 3, 0, 4 and 6 and using only the digits given

1.  12

2.  48

3.  36

4.  24

View Answer  
4
Correct Answer :

24


Explanation :
No Explanation available for this question

If the numerator of a fraction is increased by 15 % and the denominator is increased by 10% , then the value of the fraction is 15/26, The original fraction is

1.  130/223

2.  158/229

3.  133/462

4.  165/299

View Answer  
4
Correct Answer :

165/299


Explanation :
No Explanation available for this question

Let C, A, T be distinct positive integers such that the product C.A.T. = 2002. Then the largest possible value of the sum C+A+T is

1.  1004

2.  1003

3.  2004

4.  2003

View Answer  
4
Correct Answer :

1004


Explanation :
No Explanation available for this question

X varies directly as Y varies and Z varies inversely as Y varies . At a time Y = 10, X = 20 , Z  = 5 , If y is changed to 20 then the values of Z is

1.  2.5

2.  5

3.  10

4.  3

View Answer  
4
Correct Answer :

2.5


Explanation :
No Explanation available for this question

One hundred and forty students take an examination, which is marked out of 100 (with no fractional marks). No three students are awarded the same mark. What is the minimum number of students who have not got unique mark

1.  29

2.  30

3.  39

4.  40

View Answer  
4
Correct Answer :

39


Explanation :
No Explanation available for this question

If a Box containing 10 mirrors is dropped which of the following can not be the ratio of broken mirrors to unbroken mirrors

1.  1 : 1

2.  2 : 3

3.  3 : 2

4.  3 : 4

View Answer  
4
Correct Answer :

3 : 4


Explanation :
No Explanation available for this question

5 (P ‘s Capital ) = 10 (Q’s Capital ) = 15 ( R’s Capital ) then the ratio of their capital is

1.  6 : 3 : 2

2.  2 : 7 : 9

3.   8 : 5 : 3

4.  2 : 3 : 1

View Answer  
4
Correct Answer :

6 : 3 : 2


Explanation :
No Explanation available for this question

What percent of the students learn Marathi

1.  6

2.  10

3.  15

4.  Indeterminate

View Answer  
4
Correct Answer :

10


Explanation :
No Explanation available for this question
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