1 .
    A student instead of finding the value of $8^ 3$ of a natural number, calculated $8^ 13$ of the same number. If his value is 480 less than the actual value, then find the number
    A.  228
    B.  234
    C.  276
    D.  248
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    2 .
    The simple interest and compound interest on a certain sum for 2 years are Rs. 700 and Rs. 770 respectively. Find the rate of interest
    A.  16%
    B.  20%
    C.  19%
    D.  17%
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    3 .
    If the marked price of a article is 40% more than the cost price and a discount of 20% is gives on it, then the percentage profit is
    A.  8%
    B.  16%
    C.  12%
    D.  14%
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    4 .
    Find the value of (6.23 $\times$ 6.23 $\times$ 6.23 + 33 $\times$ 6.23 $\times$ 4.77+ 4.77$\times$ 4.77$\times$ 4.77)
    A.  1363
    B.  1241
    C.  1362
    D.  1331
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    5 .
    The ratio of expense and savings of Ram is 5 : 6. What will be the percentage increment in the expenses so that ratio of expense and saving 6 : 5 ?
    A.  33.33%
    B.  20%
    C.  17%
    D.  22%
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    6 .
    A shopkeeper marks the garments at such a price that even after allowing a discount of 12.5%, he makes a profit of 10%. Find the marked price of a suit which costs Rs. 1,470
    A.  Rs. 1850
    B.  Rs. 1760
    C.  Rs. 1800
    D.  Rs. 1848
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    7 .
    The average age of 3 students is 15 years and their ages are in the proportion 2 : 3 : 4. The age of eldest student is
    A.  20 years
    B.  16 years
    C.  12 years
    D.  24 years
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    8 .
    A train running at an average speed of 48 km/hr performs a journey in 6 hrs 30 min. How long would the same journey take it after crossing 180 kms the speed was reduced to 33 km/hr ?
    A.  7 hrs 45 min
    B.  4 hrs
    C.  3 hrs 45 min
    D.  6 hrs 45 min
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    9 .
    A sum of Rs. 76 is divided among A, B, C in such a way that A gets Rs. 7 more than that what B gets and B gets Rs. 6 more than what C gets. the ratio of their shares is
    A.  19 : 25 : 33
    B.  19 : 24 : 33
    C.  32 : 25 : 19
    D.  32 : 24 : 20
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    10 .
    If x= $k^ 3$ - $3k^ 2$ and y= 1 - 3k, then for what value of k, will be x= y?
    A.  0
    B.  1
    C.  - 1
    D.  2
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