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- Question
A plane flies a distance of 1800 km in 5 hours. What is its average speed in meters/second?
Options- A. 200
- B. 10
- C. 20
- D. 100
- Correct Answer
- 100
- 1. Rs 1000 is being charged at 50% per annum. what is the interest for 3rd year at compound interest?
Options- A. 1122
- B. 1025
- C. 1125
- D. 625 Discuss
- 2. Find the regular polygon whose interior angel is 150 more than exterior angle. note the total sum of interior and exterior angle should be 180 at one point ?
Options- A. 12
- B. 24
- C. 36
- D. 6 Discuss
- 3. The minimum number of half years in which a sum of money kept at 60% compound interest will be quadrupled is ?
Options- A. 2
- B. 4
- C. 3
- D. 6 Discuss
- 4. Which of the following is equivalent to 0.565656...?
Options- A. 56/100
- B. 56/1000
- C. 56/99
- D. 560/90 Discuss
- 5. A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs. 840 in 4 years. The rate of interest per annum is
Options- A. 6%
- B. 4%
- C. 5%
- D. 7% Discuss
- 6. What is the value of (91 + 92 + 93 + ......... +140)?
Options- A. 5775
- B. 11550
- C. 17325
- D. 23100 Discuss
- 7. What is the difference between the compound interests on Rs. 5000 for 1 1/2 years at 4% per annum compounded yearly and half-yearly?
Options- A. 2.04
- B. 3.04
- C. 4.04
- D. 5.04 Discuss
- 8. 854*854*854-276*276*276854*854+854*276+276*276=?
Options- A. 546
- B. 578
- C. 607
- D. None of these Discuss
- 9. What is the SI on Rs.2500/- at the rate of 12% per annum for 8 years?
Options- A. 2200
- B. 2300
- C. 2400
- D. 2500 Discuss
- 10. If a positive integer n, divided by 5 has a remainder 2, which of the following must be true?
Options- A. n is odd
- B. n + 1 cannot be a prime number
- C. (n + 2) divided by 7 has remainder 2
- D. n + 3 is divisible by 5 Discuss
More questions
Correct Answer: 1125
Explanation:
Total amount for two years =
Now , interest for third year =
Correct Answer: 24
Explanation:
Sum of Interior angle is 180 .
and it is given that interior angle is 150 more than exterior,
so let exterior angle is x then interior will be x+150
now , interior + exterior =180
x+150+x=180
x=15
now , number of sides of polygon = 360 / exterior angle
n = 360 / 15
n = 24
Correct Answer: 6
Explanation:
Let us assume Amount be 100 Rs and we calculate in CI
First year 60% of 100 = 60 amount (100+60) is 160
Second year 60% of 160 = 96 amount (160+96) is 256
Third year 60% of 256 =153.6 amount (256+153.6) is 409.6
Here the Amount of 100 Rs is quadrapled in 3 years.
One year contains 2 half years
Three year has 6 half years.
Therefore, It takes 6 half years.
Correct Answer: 56/99
Correct Answer: 5%
Explanation:
S.I. on Rs.800 for 1 year
=Rs[840 - 800]
= Rs.40
Rate
=(100x40/800x1)%
= 5%
Correct Answer: 5775
Correct Answer: 2.04
Explanation:
C.I. when interest
compounded yearly=rs.[5000*(1+4/100)(1+1/2*4/100)]
= Rs. 5304.
C.I. when interest is
compounded half-yearly=rs.5000(1+2/100)^3
= Rs. 5306.04
Difference = Rs. (5306.04 - 5304) = Rs. 2.04
Correct Answer: 578
Explanation:
Given exp . is like this
so ans = 854 - 276 = 578
Correct Answer: 2400
Explanation:
S.I=PNR/100
Correct Answer: n + 3 is divisible by 5
Explanation:
You can find the integers which when divided by 5 have a remainder 2 by adding 2 to all multiples of 5. So we have n = 7 , 12, 17, 22 etc.
From this series we can see that n does not have to be odd.
Also n + 1 can be a prime because, for example, 12 + 1 = 13
And (n + 2) / 7 has a remainder 2 in some cases but not all.
Remember the question asks us for what MUST be true, and we see that none of the statements are true in all cases. However, adding 3 to any of the values of n will always give a multiple of 5.
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