The percent profit made when an article is sold for Rs. 78 is twice as much as when it is sold for Rs. 69, the cost price of the article is?
1). Rs. 60
2). Rs. 51
3). Rs. 55.50
4). Rs. 70
The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is
1). 18 cm
2). 12 cm
3). 15 cm
4). 30 cm
IF $\frac{cosec\theta+sin\theta}{cosec\theta-sin\theta}$ =$\frac{5}{3}$ then the value of sin is equal to
1). 1/2
2). 1/ √2
3). √3 / 2
4). 1
The difference between compound interest and simple interest on an amount of Rs. 15,000 for 2 years is Rs. 96. The rate of interest per annum is?
1). 6%
2). 7%
3). 8%
4). 9%
A trader marks his goods in such a way that after allowing a discount of 10% he gains 15%. If an article costs him Rs. 720, his marked price is
1). Rs.920
2). Rs.900
3). Rs.820
4). Rs.950