The missing number in the series 1, 3, 10, 41, ?, 1237 is 206
a) 210 b) 202 c) 206 d) 200 Solution : The pattern of the series is: 1 x 2 + 1 = 3 3 x 3 + 1 = 10 10 x 4 + 1 = 41 41 x 5 + 1 = 206 206 x 6 + 1 = 1237…
UPSC CSE Prelims Paper-2 (CSAT)
How is 'how' written in that language?
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In some code, letters P, Q, R, S, T represent numbers 4, 5, 10, 12, 15. It is not known which letter represents which number. If Q-S = 2S and T = R+S+3, then what is the value of P+R-T?
(a) 1 (b) 2 (c) 3 (d) Cannot be determined due to insufficient data Let's solve the problem step by step: Given: Letters 𝑃, 𝑄, 𝑅, 𝑆, 𝑇 repre…
Raj has ten pairs of red, nine pairs of white and eight pairs of black shoes in a box. If he randomly picks shoes one by one (without replacement) from the box to get a red pair of shoes to wear, what is the maximum number of attempts he has to make?
(a) 27 (b) 36 (c) 44 (d) 45 Raj has 10 pairs of red shoes, 9 pairs of white shoes, and 8 pairs of black shoes. In total, he has: - 20 red shoes -…
UPSC CSE Prelims CSAT Reading Comprehension PYQs Analysis
Reading Comprehension 1. Water Conflicts in India Main Idea: Disputes between Indian states regarding river water distribution. 2. Anaemia in Worki…
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The letters of the word "INCOMPREHENSIBILITIES" are arranged alphabetically in reverse order How many positions of the letter/letters will remain unchanged?
a) None b) One c) Two d) Three Let's re-evaluate the problem carefully to identify any possible errors in the previous analysis. Step-by-Step R…
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CAST Topics - UPSC CSE Prelims 2024
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Anjali spends 15% of her annual income on food, 18% on housing rent, 12% on conveyance and one-third of all of the above expenses on household articl…
Data Sufficiency: Question No.50 set "A" UPSC CSE Prelims Paper-2 (CSAT)
Six lectures A, B, C, D, E and F , each of one hour duration, scheduled between 8:00 am and 2:00 pm. Consider the following question and two statemen…
Data Sufficiency: Q49 set "A" UPSC CSE Prelims Paper-2 (CSAT)
Consider the Question and two Statements given below: Question : What is the age of Manisha? Statement-1: Manisha is 24 years younger than her mother…
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