stats
In a histogram, height of a rectangle (a class) is 5 and width is 2. For another rectangle, height is 3 and width is 5. Which class has higher frequency?
In a histogram, height of a rectangle (a class) is 5 and width is 2. For another rectangle, height is 3 and width is 5. Which class has higher frequency?
Anonymous Quiz
33%
First
50%
Second
15%
Both have same frequencies
2%
Cannot be determined
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Ratios
In a poll conducted with three options, if ratio of people saying yes to people saying no is 5:4 and people saying 'Maybe' are 53, find total number of people if people saying yes are 65.
In a poll conducted with three options, if ratio of people saying yes to people saying no is 5:4 and people saying 'Maybe' are 53, find total number of people if people saying yes are 65.
Anonymous Quiz
17%
117
52%
170
26%
154
5%
130
Ratios
In a bag, there are broken and unbroken bulbs in the ratio of 5:3. Which of the following cannot be the numebr of total bulbs?
In a bag, there are broken and unbroken bulbs in the ratio of 5:3. Which of the following cannot be the numebr of total bulbs?
Anonymous Quiz
7%
16
23%
96
55%
100
15%
8
Exercise 5B of Permutations and Combinations - Learn to solve 21 questions in just 18 minutes with tricks and shortcuts
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Permutations & Combinations | Exercise 5B | Shortcuts and Tricks | CA Foundation |Mathematics | ICAI
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Exercise 5(B) of Permutations and Combinations with all the Shortcuts and Tricks to solve 21 questions in just 18 minutes!
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Exercise 5(B) of Permutations and Combinations with all the Shortcuts and Tricks to solve 21 questions in just 18 minutes!
For Free Revision Batches, All Past MTPs and Additional…
equations
For a quadratic equation, one root 'p' is square of other root, 'q'. If sum of roots is 182, find 'q'
For a quadratic equation, one root 'p' is square of other root, 'q'. If sum of roots is 182, find 'q'
Anonymous Quiz
8%
10
40%
14
42%
13
10%
9
Indexnum
A family of 4 could fulfil their needs at Rs. 5000 per month in 2020. In 2023, spouse of one of them came to live with them. Price index no. had increased from 845 to 1023. Assuming proportionate increase in Qty, how much do they need per mnth?
A family of 4 could fulfil their needs at Rs. 5000 per month in 2020. In 2023, spouse of one of them came to live with them. Price index no. had increased from 845 to 1023. Assuming proportionate increase in Qty, how much do they need per mnth?
Anonymous Quiz
16%
9145
30%
8641
35%
6741
18%
7567
Regression
Select correct statement
Select correct statement
Anonymous Quiz
30%
If x & y both contain all natural nos till n in different order, then Pearson's r = Spearman's r
21%
Slope of regression line has nothing to do with correlation between the two variables
20%
Both regression coefficients can have opposite signs
30%
Coefficient of non-determinations lies between -1 and +1
TVM
You have two options - Get Rs. 10000 per year starting from year 3 to year 7 OR get Rs. 36,000 today. If interest rate = 7%pa, which option should you select?
You have two options - Get Rs. 10000 per year starting from year 3 to year 7 OR get Rs. 36,000 today. If interest rate = 7%pa, which option should you select?
Anonymous Quiz
40%
Annual receipt
38%
One time receipt
20%
Both are same, select any
2%
Select none of the options
Inequalities
A line is drawn for inequality -2x + 3y <= 6. Will point (3,2) be included in the shaded region?
A line is drawn for inequality -2x + 3y <= 6. Will point (3,2) be included in the shaded region?
Anonymous Quiz
65%
Yes
25%
No
9%
Can't say
1%
Yes and no both
P&C
There are 12 ways to rearrange a word such that vowels always occupy odd places. Which of the following words can it be?
There are 12 ways to rearrange a word such that vowels always occupy odd places. Which of the following words can it be?
Anonymous Quiz
33%
AEGIS
17%
ATHENS
33%
CLASSICAL
17%
AUTUMN
Inequalities
x+3y >= 6 AND x+3y <= 6 means -
x+3y >= 6 AND x+3y <= 6 means -
Anonymous Quiz
12%
x-3y>6
15%
x+3y<6
60%
x+3y=6
13%
x+3y>6
TVM
A person has taken a loan of Rs. 50,000, which is to be repaid in 5 installments, each of which must contain Rs. 10000 as principal + interest @ 10% pa. What is the total interest to be paid?
A person has taken a loan of Rs. 50,000, which is to be repaid in 5 installments, each of which must contain Rs. 10000 as principal + interest @ 10% pa. What is the total interest to be paid?
Anonymous Quiz
21%
12452
25%
14620
24%
16500
29%
15000
APGP
For an AP, 5th term is 26 and 8th term is 44. If a and d of this AP are interchanged with each other, what is the 6th term of new AP which will be formed?
For an AP, 5th term is 26 and 8th term is 44. If a and d of this AP are interchanged with each other, what is the 6th term of new AP which will be formed?
Anonymous Quiz
19%
26
43%
16
27%
174
11%
22
APGP
7th term of an AP is 0. What will be the sum of its first 13 terms?
7th term of an AP is 0. What will be the sum of its first 13 terms?
Anonymous Quiz
36%
13
13%
-16
18%
14
34%
None of the Above
Ratios
A plot of land which is 4000 sq ft costs Rs. 86.6 Lakhs in year 1. Index number of land prices in the area became 520 from 310 in year 5. How much can you buy a 200 sq ft plot for in year 5?
A plot of land which is 4000 sq ft costs Rs. 86.6 Lakhs in year 1. Index number of land prices in the area became 520 from 310 in year 5. How much can you buy a 200 sq ft plot for in year 5?
Anonymous Quiz
12%
645201
42%
726323
40%
648950
5%
756411
stats
If frequency density of a class is higher than the frequency density of another class, it indicates -
If frequency density of a class is higher than the frequency density of another class, it indicates -
Anonymous Quiz
37%
First class has higher frequency
37%
If frequencies were no of persons and class length was area, first class would be more 'crowded'
20%
First class has more class length
5%
None of the above
ctdisp
Arithmetic mean of n natural numbers is n. The sum of these observations will be -
Arithmetic mean of n natural numbers is n. The sum of these observations will be -
Anonymous Quiz
54%
A perfect square
13%
A perfect cube
14%
An odd number
19%
An even number