Discussion
Home ‣ Aptitude ‣ Number System See What Others Are Saying!
- Question
- If the weight of 13 meters long rod is 23.4 kg. What is the weight of 6 meters long rod?
Options- A. 7.2 kg.
- B. 10.8 kg.
- C. 12.4 kg.
- D. 18.0 kg
- Correct Answer
- 10.8 kg.
Explanation?Weight of 13 m long rod = 23.4 kg
? Weight of 1 m long rod = 23.4 / 13 kg
? Weight of 6 m long rod = 23.4 x 6 / 13
= 10.8 kg - 1. ? 132 + 28 / 4 - (3)3 + 107 = (?) 2
Options- A. 2
- B. 16
- C. 256
- D. 4 Discuss
- 2. A is thrice as good a workman as B and therefore is able to finish a job in 30 days less then B. How many days will they takes to finish the job working together?
Options- A. 101/4
- B. 113/4
- C. 111/4
- D. 111/3 Discuss
- 3. Solve the following:
? / .0025 = 800
Options- A. .2
- B. .02
- C. 2000
- D. 2 Discuss
- 4. 75% of 480 = (?) x 15?
Options- A. 32
- B. 18
- C. 360
- D. None of these Discuss
- 5. Ravi can row downstream at 9 km/h and upsteam at 5 km/h. Find the speed of Ravi in still water and speed of current.
Options- A. 7 km/h and 2 km/h
- B. 8 km/h and 6 km/h
- C. 7 km/h and 3 km/h
- D. 8 km/h and 2 km/h Discuss
- 6. 56, 72, 90, 110, 132, 150
Options- A. 72
- B. 110
- C. 132
- D. 150 Discuss
- 7. The true discount on Rs. 2,562 due 4 months hence is Rs. 122. The rate percent is?
Options- A. 12
- B. 13
- C. 15
- D. 14 Discuss
- 8. Two pipes X and Y can fill a cistern in 6 and 7 min, respectively. Starting with pipe X, both the pipes are opened alternately, each for 1 min. In what time will they fill the cistern?
Options- A. 62/7 min
- B. 63/7 min
- C. 65/7 min
- D. 61/7 min Discuss
- 9. Inlet A is four times faster than inlet B to fill a tank. If A alone can fill it in 15 min, how long will it take if both the pipes are opened together?
Options- A. 10 min
- B. 12 min
- C. 15 min
- D. 14 min Discuss
- 10. In ? ABC, the median BE intersects AC at E, if BG = 6 cm, where G is the centro-id, then BE is equal to :
Options- A. 7 cm
- B. 9 cm
- C. 8 cm
- D. 10 cm Discuss
More questions
Correct Answer: 4
Explanation:
(?)2 = ?132 + 28 / 4 - (3)3 + 107
= ?169 + 7 - 27 + 107
= ?256
= ?16
= 4
Correct Answer: 111/4
Explanation:
Let A takes x and B takes 3N days to finish the job.
According to the question,
3N - N = 30
? N = 30/2 = 15 days
? B's time to complete the work = 3N
= 3 x 15 = 45 days
? (A + B)'s 1 day's work
= (1/15) + (1/45) = (3 + 1)/45 = 4/45
? (A + B) will finish the work in 4/45 days
? Required time = 4/45 = 111/4
Correct Answer: 2
Explanation:
Let k / .0025=800
Then, k = 800 x .0025
= ( 800 x 25 ) / 10000
= 2
Correct Answer: None of these
Explanation:
Let 75% of 480 = A x 15.
? (75 x 480)/100 = 15A
? A = (75 x 480)/ (100 x 15) = 24
Correct Answer: 7 km/h and 2 km/h
Explanation:
Given, downstream speed = 9 km/h
and upstream speed = 5 km/h
According to the formula
Ravi's speed in still water = (Speed downstream + Speed upstream )/2
= 1/2(9 + 5) = 14/2 = 7 km/h
and speed of current = (Speed downstream - Speed upstream)/2
= (9 - 5)/2 = 4/2 = 2 km/h.
Correct Answer: 150
Explanation:
So, 150 is wrong.
Correct Answer: 15
Explanation:
Correct Answer: 63/7 min
Explanation:
Part filled by X in 1st min and Y in the 2nd min = ( 1/6 + 1/7) = 13/42
Part filled by ( X + Y ) working alternately in 6 min = 1/2 x 13/42 x 6 =13/14
? Remaining Part = ( 1- 13/14 ) = 1/14
Now, it is the turn of X, one-sixth part is filled in 1 min.
One-fourteenth part is filled in (6 x 1/14) min = 3/7
? Required time = ( 6 + 3/7 ) = 63/7 min
Correct Answer: 12 min
Explanation:
Time taken by A to fill the tank, m = 15 min
? Time taken by B to fill the tank, n = 15 x 4 = 60
? Required time taken m x n/(m + n)
= (15 x 60)/(15 + 60) = (15 x 60)/75 = 12 min
Correct Answer: 9 cm
Explanation:
Comments
There are no comments.More in Aptitude:
Alligation or MixtureApproximationAreaAverageBanker's DiscountBoats and StreamsCalendarChain RuleClockCompound InterestDecimal FractionDiscountElementary AlgebraFind the Missing CharacterHeight and DistanceLinear EquationLogarithmLogicNumber SystemNumbersOdd Man Out and SeriesOrder of MagnitudePartnershipPercentagePermutation and CombinationPipes and CisternPlane GeometryProbabilityProblems on AgesProblems on H.C.F and L.C.MProblems on NumbersProblems on TrainsProfit and LossQuadratic EquationRaces and GamesRatio and ProportionSets and FunctionsSequential Output TracingSimple InterestSimplificationSquare Root and Cube RootStatisticsStocks and SharesSurds and IndicesTime and DistanceTime and WorkTrue DiscountUnitary MethodVolume and Surface AreaWork and WagesProgramming
Copyright ©CuriousTab. All rights reserved.