Daily Dose of Solved Questions Dec 6

Posted on December 6, 2021January 15, 2022 by CSAT MANTRA

CSAT 2022 | DDSQ Dec 6 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

A biology class at high school predicted that a local population of animals will double in size every $12$ years. The population at the beginning of the year $2021$ was estimated to be $50$ animals. If $P$ represents the population after $n$ years, then which one of the following equations represents the model of the class for the population? (2021)

$(a)$ $P = 12 + 50n$
$(b)$ $P = 50 + 12n$
$(c)$ $P = 50\:(2)^{12n}$
$(d)$ $P = 50 \:(2)^{n/12}$

Daily Dose of Solved Questions Dec 5

Posted on December 5, 2021January 15, 2022 by CSAT MANTRA

CSAT 2022 | DDSQ Dec 5 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

From January $1$ , $2021$ , the price of petrol (in Rupees per litre) on $m^{th}$ day of the year is $80 + 0.1m$ , where $m = 1, 2, 3, ..., 100$ and thereafter remains constant. On the other hand, the price of diesel (in Rupees per litre) on $n^{th}$ day of $2021$ is $69 + 0.15n$ for any $n$ . On which date in the year $2021$ are the prices of these two fuels equal? (2021)

$(a)$ $21^{st}$ May
$(b)$ $20^{st}$ May
$(c)$ $19^{st}$ May
$(d)$ $18^{st}$ May

Daily Dose of Solved Questions Dec 4

Posted on December 4, 2021January 15, 2022 by CSAT MANTRA

CSAT 2022 | DDSQ Dec 4 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

If $3^{2019}$ is divided by $10$ , then what is the remainder? (2021)

$(a)$ ${1}$
$(b)$ ${3}$
$(c)$ ${7}$
$(d)$ ${9}$

Daily Dose of Solved Questions Apr 29

Posted on April 28, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 29 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

The recurring decimal representation $1.272727...$ is equivalent to (2020)

$(a)$ $\frac{13}{11}$
$(b)$ $\frac{14}{11}$
$(c)$ $\frac{127}{99}$
$(d)$ $\frac{137}{99}$

Daily Dose of Solved Questions Apr 27

Posted on April 26, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 27 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

What is the greatest length $x$ such that $3\frac{1}{2}\:m$ and $8\frac{3}{4}\:m$ are integral multiples of $x$ ? (2020)

$(a)$ $1\frac{1}{2}\:m$
$(b)$ $1\frac{1}{3}\:m$
$(c)$ $1\frac{1}{4}\:m$
$(d)$ $1\frac{3}{4}\:m$

Daily Dose of Solved Questions Apr 23

Posted on April 22, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 23 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

A simple mathematical operation in each number of the sequence $14$ , $18$ , $20$ , $24$ , $30$ , $32$ , … results in a sequence with respect to prime numbers. Which one of the following is the next number in the sequence? (2020)

$(a)$ $34$
$(b)$ $36$
$(c)$ $38$
$(d)$ $40$

Daily Dose of Solved Questions Apr 21

Posted on April 20, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 21 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

Consider the following arrangement that has some missing letters:
a b a b _ b _ b c b _ d c d c d e d _ d
The missing letters which complete the arrangement are (2020)

$(a)$ a, b, c, d
$(b)$ a, b, d, e
$(c)$ a, c, c, e
$(d)$ b, c, d, e

Daily Dose of Solved Questions Apr 19

Posted on April 18, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 19 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

One page is torn from a booklet whose pages are numbered in the usual manner starting from the first page as $1$ . The sum of the numbers on the remaining pages is $195$ . The torn page contains which of the following numbers? (2020)

$(a)$ $5$ , $6$
$(b)$ $7$ , $8$
$(c)$ $9$ , $10$
$(d)$ $11$ , $12$

Daily Dose of Solved Questions Apr 17

Posted on April 17, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 17 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

Let $A3BC$ and $DE2F$ be four-digit numbers where each letter represents a different digit greater than $3$ . If the sum of the numbers is $15902$ , then what is the difference between the values of $A$ and $D$ ? (2020)

$(a)$ $1$
$(b)$ $2$
$(c)$ $3$
$(d)$ $4$

Daily Dose of Solved Questions Apr 16

Posted on April 16, 2021January 17, 2022 by CSAT MANTRA

CSAT 2021 | DDSQ Apr 16 | Civil Services | IAS | UPSC | State PSC | SSC | IBPS | NDA | CDS | Railways

A frog tries to come out of a dried well $4.5\:m$ deep with slippery walls. Every time the frog jumps $30\:cm$ , slides down $15\:cm$ . What is the number of jumps required for the frog to come out of the well? (2020)

$(a)$ $28$
$(b)$ $29$
$(c)$ $30$
$(d)$ $31$

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