Gunjo Pachauri

Question: What is the probability of getting a sum of 22 or more when four dice are thrown? (A) 5/432(B) 5/523(C) 5/652(D) 5/325 Solution Total number of ways = 64 = 1296. Number of ways of getting a sum 22 are 6,6,6,4 = 4! / 3! = 46,6,5,5 = 4! / 2!2! = 6. Number […]

Question: Factories a² + 3a – 88 (a-8) (a+11)(a-9) (a+12)(a-2) (a-6)(a-4) (a-5) Solution To factories a² + 3a – 88, we will find two numbers p and q such that p + q = 3 and pq = – 88.Now, 11 + (-8) = 3And 11 x (-8) = – 88Splitting the middle term 3a

Question: Find the probability that a leap year has 52 Sundays. (A) (5/7)(B) (5/6)(C) (5/8)(D) (5/9) Solution A leap year can have 52 Sundays or 53 Sundays. In a leap year, there are 366 days out of which there are 52 complete weeks & remaining 2 days. Now, these two days can be (Sat, Sun)

Question: Arrange in Descending order 4123676,71204381,176489,3240973 (A) 71204381, 4123676, 3240973, 176489(B) 4123676,71204381 ,3240973,176489(C) 176489, 4123676, 3240973, 71204381(D) 71204381, 4123676, 3240973, 176489 Solution From the given numbers it’s clear that each number differs in their digit count so first count the digits.4123673=7 digits71204381=8 digits176489=6 digits3240973=7 digitsNow considering this digit counts, write the given numbers in ascending

Question: What is 41.8 rounded to the nearest whole number? (A) 42(B) 43(C) 41(D) 41.8 Solution First, find the digit in the ones place. This is the place you want to round:41.8Now look one place to the right:41.88 is greater than 5, so you will round up. Remove all the digits to the right of

Question: Which integer represents this scenario? removing 6 chairs from a table (A) 6(B) -6(C) 5(D) -5 Solution Read the scenario:removing 6 chairs from a tableThis scenario involves a loss or a decrease. Use a negative integer to represent this scenario.The integer –6 represents this scenario. Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: Factorise the following expressions: 10ab + 4a + 5b + 2 (A) (5b+2) (2a+1)(B) (6b+3) (3a+1)(C) (5b+6) (5a+2)(D) (6a+5) (4a+1) Solution 10ab + 4a + 5b + 2= 5b (2a + 1) + 2(2a + 1)= (5b +2) (2a + 1) Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: Write down the fraction with numerator 3, denominator 9 (A) 2/3(B) 3/9(C) 1/2(D) 1/4 Solution Given, numerator =3Denominator =9We have to find the fraction.We know that the numerator is the above part of a fraction and the denominator is the below part of the fraction.∴The fraction is 3/9. Our Social Media Presence –https://youtube.com/@rankmadeeasyhttps://www.facebook.com/groups/rankmadeeasyhttps://www.facebook.com/RankMadeEasyhttps://www.instagram.com/rankmadeeasy1https://twitter.com/rankmadeeasy

Question: The length, breadth and height of a cuboid are 20cm , 15cm and 10cm respectively. Find its total surface area. L = 20cm , B = 15cm , H = 10cm (A) 1300 cm²(B) 1200 cm²(C) 1100 cm²(D) 1500 cm² Solution Surface area of cuboid = 2( lb + bh + hl)= 2(20×15+15×10+10×20)cm²= 2(300

Question: Which integer represents this scenario? losing 2 buttons off of your jacket 2,-2 (A) 2(B) -2(C) 1(D) -1 Solution A positive number can represent a gain or an increase.A negative number can represent a loss or a decrease.Read the scenario:losing 2 buttons off of your jacketThis scenario involves a loss or a decrease. Use