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- Question
If the selling price of an item is Rs 1000 after getting a discount of 20%, then what was the marked price (in Rs)?
Options- A. 1200
- B. 1250
- C. 800
- D. 1400
- Correct Answer
- 1250
- 1. Kashundra Jones plans to make a lump sum deposit so that she can withdraw $3,000 at the end of each quarter for 10 years. Find the lump sum if the money earns 10% per year compounded quarterly
Options- A. 75263.64
- B. 76345
- C. 76389
- D. 56897 Discuss
- 2. A boat travels 24 km upstream in 6 h and 20 km downstream in 4 h. then, the speed of a boat in still water and the speed of current are respectively
Options- A. 4.5 km/h and 3 km/h
- B. 4.5 km/h and 0.5 km/h
- C. 4 km/h and 2 km/h 5 km/h and 2 km/h
- D. 5 km/h and 2 km/h Discuss
- 3. 15 semiannual payments are made into a sinking fund at 7% compounded semiannually so that $4850 will be present. Find the amount of each payment rounded to the nearest cent
Options- A. 251.35
- B. 245.45
- C. 235.87
- D. 251 Discuss
- 4. Third proportion of 10 and 20 is
Options- A. 30
- B. 40
- C. 25
- D. 20 Discuss
- 5. Rita buys 5 sarees at an average cost of Rs 2250. If she buys three more sarees at an average cost of Rs 2750, what will be the average (in Rs) of all the sarees she buys?
Options- A. 2437.5
- B. 2500
- C. 2450
- D. 2332.5 Discuss
- 6. Mahesh rows to the place 80 km away and back in 20 hours. He finds that he can row 8 km downstream in the same time as 4 km upstream. The speed of the boat in stillwater is
Options- A. 9 kmph
- B. 7 kmph
- C. 2 kmph
- D. 5 kmph Discuss
- 7. A retirement benefit of $12,000 is to be paid every 6 months for 25 years at interest rate of 7% compounded semi-annually. Find (a) the present value to fund the end-of-period retirement benefit. (b) the end-of-period semi-annual payment needed to accumulate the value in part (a) assuming regular investments for 30 years in an account yielding 8% compounded semi-annually
Options- A. 245678
- B. 234689
- C. 281468.06
- D. 234578 Discuss
- 8. Equal distance is covered by a boat in upstream and in downstream in total 5 hours. Sum of speed of a boat in upstream and downstream is 40 km/hr. Speed of boat in still water is 600% more than the speed of stream. Find theapproximate distance covered by boat in downstream (in km).
Options- A. 45
- B. 50
- C. 55
- D. 60 Discuss
- 9. The average of fruits offered in a temple in a week was 75. The average of fruits offered in six days excluding Tuesday was 72. How many fruits were offered on Tuesday?
Options- A. 90
- B. 93
- C. 72
- D. 92 Discuss
- 10. Average of all even numbers between 104 and 148 is __________.
Options- A. 128
- B. 130
- C. 124
- D. 126 Discuss
More questions
Correct Answer: 75263.64
Explanation:
A=R[(1+i)^n-1]/i(1+i)^n
Correct Answer: 4.5 km/h and 0.5 km/h
Explanation:
Distance travelled by boat in upstream=24km
Time taken = 6 h
Speed of the boat in upstream = 24/6 = 4 km/h
And distance travelled by boat in downstream = 20 km
Time taken = 4h Speed of the boat in downstream = 20/4 km/h = 5 km/h
Now, speed of the boat in still water = 1/2 [ speed of the boat in upstream + speed of the boat in downstream] =1/2 [4 + 5] = 1/2 × 9 = 4.5 km/h
And speed of the current = 1?2 [speed of the boat in downstream ? speed of the boat in upstream] = 1/2 [5 ? 4] = 1/2 × 1 = 0.5 km/h
Correct Answer: 251.35
Explanation:
R=S[i/(1+i)^n-1]
Correct Answer: 40
Explanation:
The third proportional of two numbers p and q is defined to be that number r such that
p : q = q : r.
Here, required third proportional of 10 & 20, and let it be 'a'
=> 10 : 20 = 20 : a
10a = 20 x 20
=> a = 40
Hence, third proportional of 10 & 20 is 40.
Correct Answer: 2437.5
Correct Answer: 9 kmph
Explanation:
Downstream speed = 8/X kmph
upstream speed = 4/X kmph
Now 80/(8/X) + 80/(4/X)=20
X=2/3
downstream Speed = 8/(2/3)= 12 kmph
upstream Speed = 4/(2/3)= 6 kmph
Rate of the stream = (12+6)/2= 9 kmph
Correct Answer: 281468.06
Explanation:
R=S[i/(1+i)^n-1]
Correct Answer: 50
Explanation:
let speed of boat= X, speed of stream= Y
Upstream speed= X-Y
Downstream speed= X+Y
Sum of upstream & downstream= (X-Y) +(X+Y)= 2X
So, 2X= 40
X= 20 km/hr
Speed of boat : speed of stream= 600+100 :100= 7:1
So speed of Stream= 20/7 km/hr
ATQ, D/( X-Y) + D/( X+Y) = 5
D/(120/7) + D/(160/7)= 5
D= 480×5/49= 48.97 km= 50 Km(approx)
Correct Answer: 93
Correct Answer: 126
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