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Question : Which of the following correctly explains the phenomenon of “Test Tube Baby”?
Option 1: When every process of embryo formation is in the test tube.
Option 2: When the embryo develops in a test tube.
Option 3: When the fertilization is external and development is internal.
Option 4: When the fertilization is internal and development is external.
Correct Answer: When the fertilization is external and development is internal.
Solution : The correct answer is When the fertilization is external and development is internal.
A "Test Tube Baby" is a term used in assisted reproductive technology to refer to in vitro fertilisation (IVF), in which fertilisation happens outside
Question : Directions: There are six taxi companies (A, B, C, D, E, F) in a certain city. The bar graph shows the number of taxis run by each of these six companies. Study the diagram and answer the following question. If 30 taxies quit company B and join company D then D will have how many more taxis than C?
Option 1: 40
Option 2: 30
Option 3: 110
Option 4: 70
Correct Answer: 70
Solution : Initially, company D has the number of taxis = 75 After 30 more taxies joined, the number of taxies = 75 + 30 = 105 Company C has the number of taxis = 35 The number of taxis D has more than C = 105
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution'. Rahul thinks that this is quite the cheap restaurant.
Option 1: so the cheap
Option 2: No substitution
Option 3: quite a cheap
Option 4: so a cheap
Correct Answer: quite a cheap
Solution : The third option is the correct answer.
When using the adjective cheap, it is more grammatically correct to use the indefinite article a rather than the definite article the before it.
The use of quite a is a common construction in English when
Question : What is the value of $\frac{6}{13}[\frac{29}{12}+\frac{4}{18}(\frac{16}{12}+\frac{18}{9})–\frac{46}{15} \div \frac{23}{45}]$?
Option 1: $\frac{–312}{137}$
Option 2: $\frac{–307}{234}$
Option 3: $\frac{–294}{117}$
Option 4: $\frac{–207}{119}$
Correct Answer: $\frac{–307}{234}$
Solution : $\frac{6}{13}[\frac{29}{12}+\frac{4}{18}(\frac{16}{12}+\frac{18}{9})–\frac{46}{15} \div \frac{23}{45}]$ $=\frac{6}{13}[\frac{29}{12}+\frac{4}{18}\times(\frac{48+72}{36})–\frac{46}{15} \div \frac{23}{45}]$ $=\frac{6}{13}[\frac{29}{12}+\frac{20}{27}–\frac{46}{15} \div \frac{23}{45}]$ $=\frac{6}{13}[\frac{29}{12}+\frac{20}{27}–6]$ $=\frac{6}{13}\times[\frac{261+80–648}{108}]$ $=\frac{6}{13}\times\frac{–307}{108}$ $=\frac{–307}{13\times18}$ $=\frac{–307}{234}$ Hence, the correct answer is $\frac{–307}{234}$.
Question : Two items A and B are sold at a profit of 10% and 15%, respectively. If the amount of profit received is the same, then the cost price of A and B may be:
Option 1: Rs. 1,000 and Rs. 1,500
Option 2: Rs. 5,000 and Rs. 2,000
Option 3: Rs. 3,000 and Rs. 2,000
Option 4: Rs. 3,000 and Rs. 5,000
Correct Answer: Rs. 3,000 and Rs. 2,000
Solution : Let the cost price of item A as P and the cost price of item B as Q. Given that items A and B are sold at a profit of 10% and 15%, respectively, and the amount of profit received is
Question : The given pie chart shows the percentage distribution of 450 employees in an organization. Study the pie chart and answer the question that follows.
If 60 % of the employees in department E are females, how many male employees are there in that department?
Option 1: 54
Option 2: 36
Option 3: 72
Option 4: 18
Correct Answer: 36
Solution : According to the question, Since the females in department E = 60% Number of male employees in department E = 0.4 × 0.2 × 450 = 0.08 × 450 = 36 Hence, the correct answer is 36.
Question : Directions: 8 boys G, H, I, J, K, L, M and N are sitting around a square table facing towards the centre (not necessarily in the same order). Four boys are sitting at the corners and four boys are sitting in the middle of the sides. J is the immediate neighbour of G and H and he is sitting at a corner. M is the immediate neighbour of N and K. L is sitting in the middle of the side. G is not sitting opposite to L. N is towards the immediate right of H. Who is sitting diagonally opposite to I?
Option 1: L
Option 2: K
Option 3: N
Option 4: J
Correct Answer: N
Solution : Given: (I) 8 boys G, H, I, J, K, L, M and N are sitting around a square table facing towards the centre (not necessarily in the same order). Four boys are sitting at the corners and four boys are sitting in the middle of
Question : When a discount of 20% is given on a sweater, the profit is 28%. If the discount is 14%, then the profit is:
Option 1: 42%
Option 2: 46.4%
Option 3: 33.2%
Option 4: 37.6%
Correct Answer: 37.6%
Solution : Let the cost price of the sweater be Rs. 100 and its marked price is Rs. $x$. Use: Selling Price = Marked price × $\frac{100 - \text{Discount}\ \%}{100}$ and Profit % = $\frac{\text{Selling Price – Cost Price}}{\text{Cost Price}}×100$ According to the question, ⇒ $\frac{x \times
Question : Directions: Select the correct combination of mathematical signs that can sequentially replace the * signs from left to right to balance the following equation. 24 * 12 * 35 * 24 * 6 * 319
Option 1: +, –, ÷, ×, =
Option 2: ×, +, –, ÷, =
Option 3: ÷, +, –, ×, =
Option 4: ×, ÷, +, –, =
Correct Answer: ×, +, –, ÷, =
Solution : Given: 24 * 12 * 35 * 24 * 6 * 319
Let's check the options – First option: +, –, ÷, ×, = 24 + 12 – 35 ÷ 24 × 6 = 319 On solving the L.H.S. of the
Question : G and AD are respectively the centroid and median of the triangle $\triangle$ABC. The ratio AG : AD is equal to:
Option 1: 3 : 2
Option 2: 2 : 3
Option 3: 2 : 1
Option 4: 1 : 2
Correct Answer: 2 : 3
Solution : The point of intersection of the medians of a triangle is called the centroid. It divides each median in the ratio 2 : 1. So, $\frac{AG}{GD}=\frac{2}{1}$ Let AG = 2 units, GD = 1 unit $\therefore$ AD = AG + GD = 2
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