Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. No duck is a doll. II. All eggs are dolls. Conclusions: I. No duck is an egg. II. Some dolls are eggs.
Option 1: Only conclusion II follows
Option 2: Neither conclusion I nor II follows
Option 3: Both conclusions follow
Option 4: Only conclusion I follows
Correct Answer: Both conclusions follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): No duck is an egg – Since all eggs are dolls and no doll is a duck. Thus, it can be concluded that
Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series? SE, VI, YM, BQ, EU, ?
Option 1: HY
Option 2: JY
Option 3: GY
Option 4: HX
Correct Answer: HY
Solution : Given: SE, VI, YM, BQ, EU, ?
Add 3 and 4 to the place value of the first and second letters respectively of the previous term to get the next term in the series. SE→S + 3 = V; E + 4 = I→VI VI→V
Question : A, Rs 6,000 is invested at simple interest for 5 years and the annual rate of interest is 15 percent. B, Rs. 5,000 is invested at simple interest for 2 years and the annual rate of interest is 20 percent. What is the ratio of interests earned in A and B respectively?
Option 1: 19 : 12
Option 2: 9 : 4
Option 3: 16 : 5
Option 4: 18 : 11
Correct Answer: 9 : 4
Solution : Given: A = Rs 6,000 is invested at simple interest for 5 years and the annual rate of interest is 15 percent. B = Rs. 5,000 is invested at simple interest for 2 years and the annual rate of interest is 20 percent.
Question : Directions: Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given question figure – 1. In each box number of curves is increased by one. 2. In each box curves are rotated by 90° in a clockwise direction. So, following the above pattern, the required figure will be as follows –
Therefore, the
Question : A and B together can do a piece of work in 24 days. A alone can do this work in 40 days. In how many days can B alone do this work?
Option 1: 40 days
Option 2: 56 days
Option 3: 60 days
Option 4: 16 days
Correct Answer: 60 days
Solution : Given: A and B together can do a piece of work in 24 days. A alone can do this work in 40 days. A alone in 1 day can do $\frac{1}{40}$ part of the work. A and B together in 1 day can do
Question : Direction: In the following question, a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
NZ, OY, PX, QW, RV, ?
Option 1: FS
Option 2: SU
Option 3: UF
Option 4: TU
Correct Answer: SU
Solution : Given:
Here, in the given series, add 1 to the first letter of the given term to obtain the first letter of the next term.
NZ, OY, PX, QW, RV, ? → N +
Question : Directions: Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. All beds are pillows. II. No pillow is a blanket. Conclusions: I. Some pillows are beds. II. No bed is a blanket.
Option 1: Neither conclusion I nor II follows
Option 2: Only conclusion II follows
Option 3: Both conclusions I and II follow
Correct Answer: Both conclusions I and II follow
Let's analyse the conclusions – Conclusion (I): Some pillows are beds – From the Venn diagram, it is evident that some parts of the circle representing pillows
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 required'.
A better plan is to going and has a lavish dinner at a fine restaurant.
Option 1: is to go and have
Option 2: No substitution required
Option 3: is to gone and have
Option 4: was to going and have
Correct Answer: is to go and have
Solution : The correct choice is the first option.
Explanation: The correct form of the verb is the base form "go" to form the infinitive form, which is the correct form to be used in the sentence. Thus, "to go and
Question : Directions: In a certain code language, SOWHF is written as PLTEC. How will TQMGD be written in that language?
Option 1: QNJDE
Option 2: QNDJD
Option 3: QNJDA
Option 4: QJNDD
Correct Answer: QNJDA
Solution : Given: SOWHF is written as PLTEC.
Subtract 3 from the positional value of SOWHF, to obtain the required code – S – 3 = P; O – 3 = L; W – 3 = T; H – 3 = E; F – 3 = C
Question : Directions: Select the option figure in which the given figure is embedded (Rotation is NOT allowed).
Solution : Since the rotation is restricted. So, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, the given question figure is embedded only in the fourth option figure.
Hence, the fourth option is correct.
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