In how many ways can the letters of MAHABHARAT be arranged so that
i) B and T are never together
ii) M, A, T, H occurs at first four places.
i) for B and T are never together
nC2 / 2c2
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A shopkeeper gives 10% discount on a T.V. set. If the list price of the T.V. sets is Rs. 16,500, find the amount which is a customer has to pay for buying the T.V. set if the rate of sales tax is 10%.
Find the variance and standard deviation for the data
35, 45, 30, 35, 40, 25
In how many ways can the letters of MAHABHARAT be arranged so that
i) B and T are never together
ii) M, A, T, H occurs at first four places.
Simplify the following
A rectangle has the area equal to that of a square of side 80 cm. If the length of the rectangle is 160 cm, its breadth is
1) 60 cm 2) 40 cm
3) 20 cm 4) 30 cm
Draw the coordinate axes and represent the following points
i) (-2,4) ii) (1,3)
iii) (5,-3) iv) (-5,-4)
A page from the pass book of Rakesh is given below:
| Date | Particular | Amount Withdrawn | Amount Deposited | Balance Rs. |
| 09-04-2007 | B/F | ……….. | ……….. | 6100.00 |
| 17-04-2007 | By cash | ……….. | 1900.00 | 8000.00 |
| 22-04-2007 | By cash | 3000.00 | ……….. | 5000.00 |
| 21-05-2007 | By cheque | ……….. | 6000.00 | 11000.00 |
| 06-07-2007 | By cash | 2000.00 | ……….. | 9000.00 |
| 05-08-2007 | By cash | 1000.00 | ……….. | 8000.00 |
| 18-08-2007 | By cash | ……….. | 4000.00 | 12000.00 |
| 11-10-2007 | By cash | ……….. | 2000.00 | 14000.00 |
| 18-12-2007 | By cash | ……….. | 1000.00 | 15000.00 |