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Question : In an examination, the average marks obtained by the girls of a class is 85 and the average marks obtained by the boys of the same class is 87. If the girls and boys are in the ratio of 4 : 5, the average marks of the whole class (approximately) are closest to:
Option 1: 85.9
Option 2: 86.1
Option 3: 86.4
Option 4: 86.5
Correct Answer: 86.1
Solution : Given: Ratio of girls : boys = 4 : 5 Average marks obtained by the girls = 85 Average marks obtained by the boys = 87 Required average $=\frac{(4×85)+(5×87)}{4+5}= \frac{340 + 435}{9}= \frac{775}{9} = 86.1$ Hence, the correct answer is 86.1.
Question : A man invested INR 4,500 at 5% per annum and INR 5,500 at 8% per annum simple interest. Both investments were for 4 years each. The amount received from the lower rate of interest is what percent (rounded off to the nearest integer) of the amount received from the higher rate of interest?
Option 1: 63%
Option 2: 74%
Option 3: 51%
Option 4: 48%
Correct Answer: 74%
Solution : A man invested Rs. 4,500 at 5% per annum and Rs. 5,500 at 8% per annum simple interest. For the first investment, Time = 4 years Principal = Rs. 4,500 Rate = 5% per annum Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ = $\frac{4500
Question : The sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. A. Many species of bamboo flower once in several years and then die. B. The stem itself is hollow and is connected to a network of rhizomes, which spreads out beneath the surface of the soil. C. Roots grow out of this network of rhizomes and help the plants absorb and distribute food and water from the soil. D. The bamboo is a variety of grass, with a woody, many-jointed stem.
Option 1: ADCB
Option 2: DBCA
Option 3: BCAD
Option 4: CADC
Correct Answer: DBCA
Solution : The correct choice is the second option.
The statement (D) is the subject, which discusses the bamboo plant. It is followed by statement (B), in which the action of rhizomes under the soil is discussed. This, in turn, is followed by statement (C), which
Question : The diameter of a circle is $\frac{7}{4}$ times the base of a triangle, and the height of the triangle is 14 cm. If the area of the triangle is 56 cm2, then what is the circumference (in m) of the circle? (Use $\pi=\frac{22}{7}$)
Option 1: 0.44 m
Option 2: 2.46 m
Option 3: 0.48 m
Option 4: 1.74 m
Correct Answer: 0.44 m
Solution : Given: The diameter of a circle is $\frac{7}{4}$ times the base of a triangle, and the height of the triangle is 14 cm. The area of the triangle is 56 cm2. Use the formulas, The diameter of the circle = $2r$, The
Question : Directions: Four pairs of letter clusters have been given out of which three are alike in some manner, while one is different. Choose the odd one.
Option 1: NVH–KUK
Option 2: REA–ODD
Option 3: CWX– AVZ
Option 4: TXB–QWE
Correct Answer: CWX– AVZ
Solution : Let's check each option – First option: NVH–KUK; N – 3, V – 1, H + 3 = KUK Second option REA–ODD; R – 3, E – 1, D + 3 = ODD Third option: CWX–AVZ; C – 2, W – 1, X +
Question : Select the wrongly spelt word.
Option 1: incorrect
Option 2: increament
Option 3: incubate
Option 4: incorporate
Correct Answer: increament
The given word "increament" is incorrectly spelt, which contains an extra letter "a". The correct spelling of the word is increment.
Increment refers to an increase or addition, especially a small, gradual one. It signifies a step-by-step
Question : Directions: The following bar chart represents the number of first-year B.Com. students of St. Xavier's College using different company's smartphones.
What percentage of girls are using the smartphones of Nokia?
Option 1: 33.58%
Option 2: 32.58%
Option 3: 30.58%
Option 4: 31.58%
Correct Answer: 31.58%
Solution : As per the given graph, The number of girls using smartphones $=180+60+120+20=380$ The number of girls using the smartphones of Nokia $=120$ The required percentage $=\frac{120}{380}×100=31.58$% Hence, the correct answer is 31.58%.
Question : Select the correct statement regarding the Indian monsoon.
Option 1: A monsoon is a seasonal shift in wind direction. It can cause very low rainfall during the summer and heavy rainfall in the winter
Option 2: A monsoon is a sudden temperature change. It can cause moderate rainfall during the summer and dry spells in the winter
Option 3: A monsoon is a seasonal shift in wind direction. It can cause heavy rainfall during the summer and dry spells in the winter
Option 4: A monsoon is a seasonal shift in wind direction. It can cause moderate rainfall during the summer and no rain in the winter
Correct Answer: A monsoon is a seasonal shift in wind direction. It can cause heavy rainfall during the summer and dry spells in the winter
Solution : The correct answer is A monsoon is a seasonal shift in wind direction. It can cause heavy rainfall during the summer and dry
Question : Select the most appropriate meaning of the given idiom.
To smell a rat
Option 1: To suspect something
Option 2: To catch someone during a crime
Option 3: To leave things undisturbed
Option 4: To detect a dead rat
Correct Answer: To suspect something
Solution : The correct choice is the first option.
To smell a rat means to suspect something or to recognise something is not as it appears to be.
Therefore, the correct answer is, to suspect something.
Question : Directions: Five students A, M, C, Y and G are sitting around a circular table facing outside the center not necessarily in the same order. M sits to the immediate left of A and the immediate right of G. Y is not an immediate neighbour of A. Who sits second left of G?
Option 1: Y
Option 2: M
Option 3: A
Option 4: C
Correct Answer: C
Solution : Given: (I) Five students A, M, C, Y and G are sitting around a circular table facing outside the centre. (II) M sits to the immediate left of A and the immediate right of G.
(III) Y is not an immediate neighbour of A. So,
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