Ques:- Ravi can do a piece of work in 30 days while Prakash can do it in 40 days. In how many days will they finish it together?
Ques:- How many nos of hacking over concrete surface required for 1 sq m area
Ques:- A rectangular field has area equal to 150 sq m and perimeter 50 m. Its length and breadth must be?
Ques:- Tell me about urself n family background
Ques:- What problem you have right now or in the past? How you solved it?
Ques:- What difficulties do you face in your job as a children's media publicist?
Ques:- There is a unique number of which the square and the cube together use all ciphers from 0 up to 9 exactly once. Which number is this?
Ques:- The least number which when divided by 16, 18 and 21, leave the remainder 3, 5 and 8 respectively is:
Ques:- Drawback is?
A. An incentive to exporters
B. Means of tying Pyjamas
C. A subsidy to exporters
D. A penalty to exporters forlate delivery
Ques:- Greengrocer C. Carrot wants to expose his oranges neatly for sale. Doing this he discovers that one orange is left over when he places them in groups of three. The same happens if he tries to place them in groups of 5, 7, or 9 oranges. Only when he makes groups of 11 oranges, it fits exactly. How many oranges does the greengrocer have at least?
Ques:- A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 2 days. In how many days can they complete the remaining work?
Ques:- The H.C.F. and L.C.M. of two numbers are 50 and 250 respectively. If the first number is divided by 2, the quotient is 50. The second number is
A. 50
B. 100
C. 105
D. 125
Right Answer:
We are given:
-
HCF = 50
-
LCM = 250
-
First number ÷ 2 = 50 → So, first number = 50 × 2 = 100
-
We need to find the second number
🟢 Step 1: Use the formula:
Product of two numbers = HCF × LCM
So,
100 × Second number = 50 × 250
⇒ 100 × Second number = 12,500
⇒ Second number = 12,500 ÷ 100
⇒ Second number = 125
✅ Final Answer:
The second number is 125.
Ques:- There are 5 burglars and once went to a bakery to rob it obviously The first guy ate 1/2 of the total bread and 1/2 of the bread. The second guy ate 1/2 of the remaining and 1/2 of the bread. The third guy ,fourth guy and fifth guy did the same. After fifth guy there is no bread left out. How many bread are there?
Ques:- A 260 meter long train crosses a 120 meter long wall in 19 seconds. What is the speed of the train?
A. 27 km/hr
B. 49 km/hr
C. 72 km/hr
D. 92 km/hr
Right Answer:
-
Length of train = 260 meters
-
Length of wall = 120 meters
-
Time taken to cross the wall = 19 seconds
—
✅ Step 1: Total distance to be covered
When the train crosses the wall, it must cover its own length plus the length of the wall:
Total distance = 260 m + 120 m = 380 meters
—
✅ Step 2: Use the speed formula
Speed = Distance / Time
Speed = 380 m ÷ 19 s = 20 m/s
—
✅ Step 3: Convert speed to km/h
1 m/s = 3.6 km/h
⇒ 20 × 3.6 = 72 km/h
Ques:- A sum of money lent out at S.I. amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is?
Ques:- In a class of 60, where girls are twice that of boys, Kamal ranked seventeenth from the top. If there are 9 girls ahead of Kamal, how many boys are after him in rank ?
Ques:- Two taps can separately fill a cistern 10 minutes and 15 minutes respectively and when the waste pipe is open, they can together fill it in 18 minutes. The waste pipe can empty the full cistern in?