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- Question
If the price of 23 toys is 276, then what will the price of 12 toys ?
Options- A. 144
- B. 148
- C. 156
- D. 186
- Correct Answer
- 144
ExplanationLess toys, Less Price (Direct Proportion)
So, let the price be Rs. x
then,23:12::276:x => x=(276*12)/23
=> x=144
So price of 12 toys will be Rs. 144
- 1. Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes?
Options- A. 648
- B. 1800
- C. 2700
- D. 10800 Discuss
- 2. An industrial loom weaves 0.128 metres of cloth every second. Approximately, how many seconds will it take for the loom to weave 25 metre of cloth ?
Options- A. 194 seconds
- B. 195 seconds
- C. 196 seconds
- D. 197seconds Discuss
- 3. An industrial loom weaves 1.14 meters of cloth every second. Approximately, how much time will it take to weave 52 meters of cloth ?
Options- A. 29.32 sec
- B. 42.51 sec
- C. 39.25 sec
- D. 45.61 sec Discuss
- 4. If the Price of 6 toys is Rs. 264.37, What will be the approximate price of 5 toys?
Options- A. Rs.120
- B. Rs.100
- C. Rs.200
- D. Rs.220 Discuss
- 5. If 16 men working 7 hours day can plough a fieid in 4l days, inhow many days will 14 men working 12 hours a clay plough the samefield ?
Options- A. 46
- B. 32
- C. 35
- D. 30 Discuss
- 6. A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours will be the true time when the clock indicates 1 p.m. on the following day?
Options- A. 48 min. past 12.
- B. 46 min. past 12.
- C. 45 min. past 12.
- D. 47 min. past 12. Discuss
- 7. At what time between 4 and 5 o'clock will the hands of a watch point in opposite directions?
Options- A. 54 past 4
- B. (53 + 7/11) past 4
- C. (54 + 8/11) past 4
- D. (54 + 6/11) past 4 Discuss
- 8. A watch which gains uniformly ,is 5 min,slow at 8 o'clock in the morning on sunday and it is 5 min 48 sec.fast at 8 p.m on following sunday. when was it correct?
Options- A. 7pm on wednesday
- B. 20 min past 7pm on wednesday
- C. 15min past 7pm on wednesday
- D. 8pm on wednesday Discuss
- 9. A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours.What will be the true time when the clock indicates 10 p.m. on 4th day?
Options- A. 11pm
- B. 12pm
- C. 1pm
- D. 2pm Discuss
- 10. An accurate clock shows 8 o'clock in the morning. Through how may degrees will the hour hand rotate when the clock shows 2 o'clock in the afternoon?
Options- A. 360
- B. 180
- C. 90
- D. 60 Discuss
Chain Rule problems
Search Results
Correct Answer: 1800
Explanation:
Let the required number of bottles be x.
More machines, More bottles (Direct Proportion)
More minutes, More bottles (Direct Proportion)
=> 6 * 1 * x = 10 * 4 * 270
=> x= 1800
Correct Answer: 195 seconds
Explanation:
Let the time required by x seconds.
Then, More cloth means More time (Direct Proportion)
So, 0.128 : 1 :: 25 : x
=> x = 195.31
So time will be approx 195 seconds
Correct Answer: 45.61 sec
Explanation:
Given loom weaves 1.14 mts of cloth in one second then 52 mts of cloth can be weaved by loom in,
1.14 ----- 1
52.0 ------?
= 45.61 sec
Correct Answer: Rs.220
Explanation:
Let the required Price be Rs. X .Then, Lest toys , Less cost (Direct Proportion)
Therefore 6 : 5 :: 264.37 : x
=> 6 * x = 5 * 264.37
=> X= 220.308
Therefore, Approximate price of 5 toys = Rs. 220
Correct Answer: 32
Explanation:
(Men 14 : 16) : (Hrs/Day 12 : 7) :: 48 : x
14 * 12 * x = 16 * 7 * 48 or x = 32
Correct Answer: 48 min. past 12.
Explanation:
Time from 8 a.m. on a day to 1 p.m. on the following day = 29 hours.
24 hours 10 min. of this clock = 24 hours of the correct clock.
hrs of this clock = 24 hours of the correct clock.
29 hours of this clock = hrs of the correct clock
= 28 hrs 48 min of the correct clock.
Therefore, the correct time is 28 hrs 48 min. after 8 a.m.
This is 48 min. past 12.
Correct Answer: (54 + 6/11) past 4
Explanation:
4 o'clock, the hands of the watch are 20 min. spaces apart.
To be in opposite directions, they must be 30 min. spaces apart.
Minute hand will have to gain 50 min. spaces.
55 min. spaces are gained in 60 min
50 min. spaces are gained in min. or
Required time = min. past 4.
Correct Answer: 20 min past 7pm on wednesday
Explanation:
This sunday morning at 8:00 AM, the watch is 5 min. Slow, and the next sunday at 8:00PM it becomes 5 min 48 sec fast. The watch gains min in a time of (7×24)+12 = 180 hours.
To show the correct time, it has to gain 5 min.
5min ->
So the correct time will be shown on wednesday at 7:20 PM
Correct Answer: 11pm
Explanation:
Time from 5 am. on a day to 10 pm. on 4th day = 89 hours.
Now 23 hrs 44 min. of this clock = 24 hours of correct clock.
356/15 hrs of this clock = 24 hours of correct clock
89 hrs of this clock = (24 x 31556 x 89) hrs of correct clock.
= 90 hrs of correct clock.
So, the correct time is 11 p.m.
Correct Answer: 180
Explanation:
Angle traced by the hour hand in 6 hours=(360/12)*6
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