Maths Practice Question and Answer
8 Q: A, B and C invested capital in the ratio 5: 7: 4, the timing of their investments being in the ratio x : y : z. If their profits are distributed in the ratio 45: 42: 28, then x : y : z = ?
760 064d1f1c4d02c5c746bd135fa
64d1f1c4d02c5c746bd135fa- 19 : 6 : 7true
- 27 : 9 : 4false
- 39 : 4 : 7false
- 46 : 7 : 9false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 1. "9 : 6 : 7"
Q:Directions : The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.

In which census year, the per cent increase in population is least as compared to that in the previous census year?
760 06453a9d1f3618908bf5e24c1
6453a9d1f3618908bf5e24c1
- 11961false
- 21951true
- 31971false
- 41941false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "1951 "
Q: If interest be compounded half-yearly, then find the compound interest on ₹8,000 at the rate of 20% per annum for 1 year.
760 06492d80dc7d7c7e067125d43
6492d80dc7d7c7e067125d43- 1₹1,675false
- 2₹1,690false
- 3₹1,685false
- 4₹1,680true
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 4. "₹1,680"
Q: If a + b + c = 2, a² + b² + c² = 26 then the value of a³ + b³ + c³ – 3abc is
759 063183240fe1d3322281dac3a
63183240fe1d3322281dac3a- 171false
- 274true
- 369false
- 478false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "74"
Q:Directions: Find the wrong number in the following number series:
251, 252, 254, 227, 243, 118, 154
759 064d4b91e9ce88dacc3437ebc
64d4b91e9ce88dacc3437ebc- 1251false
- 2252true
- 3227false
- 4243false
- 5154false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "252"
Q: The average of x occurring 5 times and y occurring 7 times is 37. Also, the average of x occurring 7 times and y occurring 5 times is 35. The value of y is:
759 06489baf8bf323e479ab1a84f
6489baf8bf323e479ab1a84f- 145false
- 242true
- 330false
- 427false
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 2. "42"
Q: What is the volume of the largest sphere that can be carved out of a wooden cube of side 21 cm?$$( π{22\over 7})$$
759 06492d91e13e8bde032303bfe
6492d91e13e8bde032303bfe- 1false
3851 cm3
- 2false
6858 cm3
- 3true
4851 cm3
- 4false
5821 cm3
- Show AnswerHide Answer
- Workspace
- SingleChoice
Answer : 3. "4851 cm3
"
Q: The LCM of two numbers is 48. If those numbers are in the ratio 2 : 3 then what will be their sum?
758 0630deb024e3bf85cbe74880c
630deb024e3bf85cbe74880c- 128false
- 232false
- 340true
- 464false
- Show AnswerHide Answer
- Workspace
- SingleChoice

