RBI Grade B 4 Sep 2016
In the following number series only one number is wrong. Find out the wrong number.
For the following questions answer them individually
A, B and C started a business with investments of 1,600/-, 2,100/- and 1,500/- respectively. After 8 months from the start of the business, B and C invested additional amounts in the ratio of 3 : 5 respectively. If the respective ratio between total annual profit and C’s share in the annual profit was 3 : 1, what was the additional amount invested by B after 8 months ?
A shopkeeper purchased 15 kg of variety A rice at X per kg and 10 kg of variety B rice at ‘X+ 5’ per kg. The shopkeeper sold the whole quantity of variety A rice at 10% profit and that of variety B rice at 20% profit. The total selling price of variety A rice was 30/- more than that of variety B rice. Had the two varieties been mixed and sold at an overall profit of 20%, what would have been the selling price of the mixture per kg?
In the given questions, two quantities are given, one as Quantity I and another as Quantity II. You have to determine relationship between two quantities and choose the appropriate option.
a: If quantity I ≥ quantity II
b: If quantity I > quantity II
c: If quantity I < quantity II
d: If quantity I = quantity II or the relationship cannot be established from the information that is given
e: If quantity quantity II
1 >a>0 > b
Quantity:
1. value of $$\frac{(a+b)^{2}-a^{2}-b^{2}}{(a+b)^{2}-(a^{2}-b^{2})}$$ = $$\frac{1}{2(ab^{3}+ab)}$$
There are three positive numbers- a, b and c. The average of a and b is less than the average of b and c by 1.
Quantity :
I. Value of c.
II. Value of a
Three equal circles are drawn on a triangle ABC, with points A, B and C as the centres. Radius of each of the
circle is equal to half of the side of the triangle ABC. (Figure not to the scale)
Area of shaded region 1 = $$128\frac{1}{3}cm^{2}$$
Quantity :
I. The area of the shaded region 2 ( in cm^{2} )
II. 30 cm^{2}
