[CPNS&PPPK 2023/2024] 10 SOAL TIU YG TIPENYA SRING MUNCUL: HITUNG CEPAT,ALJABAR,ARITMATIKA,DLL #cpns

Summary

This video provides a detailed walkthrough of key topics often seen in the CPNS and P3K exams, focusing on general intelligence test questions. The instructor covers essential areas such as quick calculations, algebra, arithmetic, set theory, and flat shapes. By breaking down complex problems step by step, viewers learn efficient methods for solving a variety of math problems, including exponentiation, percentages, and geometric areas. The video aims to help students prepare effectively for these competitive exams, providing clear explanations and practical solutions to common test questions.

Takeaways

• 😀 Focus on quick calculations, algebra, arithmetic, sets, and flat shapes for CPNS and P3K tests.
• 😀 Multiplication should be done first in arithmetic operations, especially when dealing with decimals and percentages.
• 😀 In exponentiation, when multiplying terms with the same base, add the exponents.
• 😀 Negative exponents represent fractions, e.g., 4^-1 becomes 1/4.
• 😀 In algebra, when solving for a variable, isolate it by moving other terms to the opposite side.
• 😀 The comparison between P = - (4^6) and Q = (-4)^6 highlights how negative signs affect the result.
• 😀 When comparing powers of the same base with different exponents, first equate the exponents, then compare the bases.
• 😀 Set theory problems often involve drawing Venn diagrams to visualize the relationships between different sets.
• 😀 The difference between two quantities can be easily found by subtracting their ratios in proportional problems.
• 😀 The area of a flat shape, like the dark area in a circle, can be calculated by subtracting the area of a triangle from that of a semicircle.

Q & A

What is the first step in solving the arithmetic expression '0.01 * 3^2 + 250 * 0.02%'?

The first step is to handle the multiplication operations. Start by calculating 0.01 * 3^2 and then calculate 250 * 0.02%.

How do you simplify '250 * 0.02%' in the given arithmetic problem?

250 * 0.02% can be rewritten as 250 * 2/10000, which simplifies to 500/10000. This further reduces to 0.05.

What is the solution to the equation '3r / 6 = 6S'?

To solve for R in the equation '3r / 6 = 6S', first multiply both sides by 6, then solve for R to get R = 12S.

How is the comparison of P = - (4^6) and Q = (-4)^6 determined?

P is negative because the negative sign is outside the parentheses, while Q is positive because the negative sign is inside. Hence, P is smaller than Q.

In the equation 'Z = 57^88 - 57^87', how do you break it down to compare Z and A (where A = 57^87)?

Z = 57^87 * (57 - 1) = 57^87 * 56, which is greater than A = 57^87. Therefore, Z is greater than A.

What is the correct order of numbers when comparing 2^5555.5, 5^2222, and 3^3333?

The correct order from smallest to largest is: 5^2222 < 3^3333 < 2^5555.

How is the difference in the number of marbles between Noval and Didit calculated, given the ratio 11:4 and the total number of marbles as 60?

The difference in their marbles is calculated by first finding the total parts (11 + 4 = 15). Then, the difference between their marbles is 7/15 of 60, which equals 28.

How do you calculate the total number of students in a class when given information about soccer, volleyball, and students who like both?

First, draw a Venn diagram with the number of students who like soccer (22), volleyball (27), and both (7). Then, add 15 (soccer only), 20 (volleyball only), and 8 (neither), totaling 50 students.

What is the formula used to calculate the area of the dark-colored region in the circle and right triangle problem?

The area of the dark-colored region is calculated as the area of the half circle minus the area of the right triangle, where the area of the half circle is (1/2 * π * r^2) and the area of the triangle is (base * height / 2).

How do you calculate the area of the dark-colored region when the radius of the circle is 7 and the base and height of the triangle are both 7?

The area of the dark-colored region is calculated as the area of the half circle (77) minus the area of the triangle (49), resulting in 52.5.