If the radius of a circle be reduced by 50% its area is reduced by:_________?
If the radius of a circle be reduced by 50% its area is reduced by:_________?
A. 25 %
B. 50%
C. 75%
D. 100%
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Raheem bought an old car for Rs. 42000. He spent Rs. 13000 on repairs and sold it for Rs. 64900. What is his profit percent?
Raheem bought an old car for Rs. 42000. He spent Rs. 13000 on repairs and sold it for Rs. 64900. What is his profit percent?A. 14%
B. 16%
C. 18%
D. 22%
E. None of these
Explanation:
Total CP = Rs. 42000 + Rs. 13000 = Rs. 55000 and SP = Rs. 64900
Profit(%) = (64900 – 55000)/55000 * 100 = 18%A man invests a certain sum of money at 6% per annum simple interest and another sum at 7% per annum simple interest. His income from interest after 2 years was Rs. 354. One-forth of the first sum is equal to one-fifth of the second sum. The total sum invested was :
A man invests a certain sum of money at 6% per annum simple interest and another sum at 7% per annum simple interest. His income from interest after 2 years was Rs. 354. One-forth of the first sum is equal to one-fifth of the second sum. The total sum invested was :A. Rs.3100
B. Rs.2700
C. Rs.2200
D. Rs.1800
Let the man invests Rs.x at 6% and Rs.y at 7%
Simple Interest on Rs.x at 6% for 2 years + Simple Interest on Rs.y at 7% for 2 years = Rs.354
x×6×2/100+y×7×2/A lends Rs. 1500 to B and a certain sum to C at the same time at 8% per annum simple interest. If after 4 years, A altogether receives Rs. 1400 as interest from B and C, then the sum lent to C is________?
A lends Rs. 1500 to B and a certain sum to C at the same time at 8% per annum simple interest. If after 4 years, A altogether receives Rs. 1400 as interest from B and C, then the sum lent to C is________?A. Rs.2875
B. Rs.1885
C. Rs.2245
D. Rs.2615A trader lists his articles 20% above C.P and allows a discount of 10% on cash payment. His gain percent is:
A trader lists his articles 20% above C.P and allows a discount of 10% on cash payment. His gain percent is:A. 10%
B. 8%
C. 5%
D. 6%
Explanation:
C.P = Rs. 100.
Then marked price = Rs. 120
S.P = 90% of Rs. 120 = Rs. 108
Gain = 8%The greatest number of four digits that have 144 for their HCF is___________?
The greatest number of four digits that have 144 for their HCF is___________?A. 9930
B. 9903
C. 9935
D. 9936
Explanation:
144) 9999 (69
9936
——–
63
9999 – 63 = 9936The area of a triangle is with base 4m and height 5m?
The area of a triangle is with base 4m and height 5m?A. 20 sq m
B. 10 sq m
C. 5 sq m
D. 3 sq m
Explanation:
1/2 * 4 * 5 = 10 m2