$If,x+ \frac{1}{x}=5, \ then\ the\ value\ of \frac{6x}{x^{2}+x+1}\ is\ equal\ to $
1). 1
2). 2
3). 3
4). 4
If an interior of a regular polygon is 170o, then the number of sides of the polygon is
1). 36
2). 20
3). 18
4). 27
.If 10% loss is made on selling price, then the rate of loss on the cost price will be
1). $11\frac{1}{9}\%$
2). $9\frac{1}{11}\%$
3). 10%
4). 11%
The railway fares of air conditioned sleeper and ordinary sleeper class are in the ratio 4:1. The number of passengers travelled by air conditioned
sleeper and ordinary sleeper classes were in the ratio 3:25. If the total collection was Rs. 37,000, how much did air conditioner sleeper passengers pay?
1). Rs. 15,000
2). Rs. 10,000
3). Rs. 12,000
4). Rs. 16,000
To make a profit of 20% the selling price of the good is Rs. 240. The cost price of the good is,
1). Rs. 200
2). Rs. 210
3). Rs. 220
4). Rs. 230