Ques:- A started at 9.00 am with 6 mph and B started at 9.30 am with 8mph in the same direction. At what time they will meet?
Recent Answer : Added by DK BOSS On 2021-07-16 09:52:53:
A’s speed=6 mph ,B’s speed=8 mph
Let, after x hrs, they will meet.
so, the distance traveled by A in x hrs should be the same as the distance traveled by B in (x-1/2)hrs [as B started the journey after 30 min of A]
Thus, 6x=8(x-1/2)[as distance=speed*time]
=>8x-6x=4
=>2x=4
=>x=2
after 2 hrs they will meet so time=(9+2)=11.00 a.m
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Ques:- In a cricket match 2 batsmen were playing. both of them where on 94 last 3 balls were left and 7 runs needed to win. How both of them can attain century without getting out?
Recent Answer : Added by Kavi Arasan On 2022-05-17 08:55:03:
1 ball – 4 runs (1st batter – 94+4=98)
2 ball – 3 runs and one run is short run during running between the wicket (1st batter- 98+3-1 =100)and strike changes for 2nd batter
3 ball – 6 runs ( 2nd batter 94+6=100)
Ques:- If a 200 m long train crosses a platform of the same length as that of the train in 20 seconds, then the speed of the train is
A. 50 km/hr
B. 60 km/hr
C. 70 km/hr
D. 72 km/hr
Recent Answer : Added by Dhiya On 2023-05-31 17:27:59:
3600 sec in 1 hr.. 1000 M in 1 km so to covert m/s to km /hr you multiply the value with (3000/1000) .. so 3000 divided by 1000 will give you 18/5 it’s like constant value.. to convert m/s to km/ hr we can use this 18/5.. hope you understand
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Recent Answer : Added by V Revanth Royal On 2021-08-16 15:51:31:
2hr 30min
Ques:- Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them?
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Ques:- My watch gains 5 minutes, in every hour. How many degrees the second hand moves in every minute?
A. 375°
B. 380°
C. 385°
D. 390°
Recent Answer : Added by sujata On 2022-08-24 17:03:57:
390
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Recent Answer : Added by PRUTHVI On 2021-09-22 16:56:23:
SHADOW
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Ques:- A started a business with Rs.21,000 and is joined afterwards by B with Rs.36,000. After how many months did B join if the profits at the end of the year are divided equally?
A. 2
B. 3
C. 4
D. 5
Recent Answer : Added by narendra On 2022-09-18 09:02:25:
d
Ques:- If a red house is made from red bricks, pink house made from pink bricks, a blue house is made from blue brick and a black house is made from black bricks, then what is greenhouse made from?
Recent Answer : Added by Noluvuyo Ruth On 2021-10-19 17:55:07:
Green bricks
Ques:- A train running at the speed of 60 km/hr crosses a pole in 9 seconds. Find the length of the train?
Recent Answer : Added by Admin On 2022-09-29 15:10:14:
Time =9 seconds
Speed =(60×518) m/sec=(503)m/sec
∴ Speed =DistanceTime
Length of the train (Distance) = (Speed × Time) = (503×9) m=150 m.
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Recent Answer : Added by ANTONYSAMY Santhanamarian On 2021-11-09 15:53:51:
1 km/hr
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Recent Answer : Added by Mubeena kabeer On 2021-04-15 17:10:50:
A wet stone
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Ques:- Sushil got thrice as many marks in English as in Science. His total marks in English, Science and Maths are 162. If the ratio of his marks in English and Maths is 3:5, find his marks in Science?
Recent Answer : Added by Akhilendra pratap Singh On 2022-09-23 18:02:22:
Marks in thrice in english as in science
so if science marks is x
then english marks = 3x
lets maths marks = y
ratio of english and maths marks is
3x/y = 3/5
=> y = 5x
and total marks = 162
3x + x + 5x = 162
x = 18 —-answer
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A’s speed=6 mph ,B’s speed=8 mph
Let, after x hrs, they will meet.
so, the distance traveled by A in x hrs should be the same as the distance traveled by B in (x-1/2)hrs [as B started the journey after 30 min of A]
Thus, 6x=8(x-1/2)[as distance=speed*time]
=>8x-6x=4
=>2x=4
=>x=2
after 2 hrs they will meet so time=(9+2)=11.00 a.m